Abstracts and PDF files are provided for some of the publications.
Selected presentations are available.
Click here for FEAST/2, FEAST/1 and Pre- FEAST/1 publications.
[mml683] M M Lehman, FEAST/2 Final Report - Grant Number GR/M44101 , Dept. of Comp., Imp. Col., London, Sept. 2001 [PDF]
[mml678,jfr99] M M Lehman MM and J F Ramil, Software Evolution, Invited Keynote Lecture, IWPSE 2001, Vienna, Sept. 10-11, a revised and extended version of an article to appear in Marciniak J (ed.), Encyclopedia of Software Engineering, 2nd. Ed., Wiley, 2002
[mml681,jfr97] M M Lehman and J F Ramil, EPiCS - Evolution Phenomenology in Component-intensive Software, WESS 2001, Florence, Nov. 9, 2001 [PDF]
[mml680,jfr96] M M Lehman and J F Ramil, An Approach to a Theory of Software Evolution, position paper, IWPSE 2001, Vienna, Sept. 10-11 [PDF]
[mml611] M M Lehman, Rules and Tools for Software Evolution Planning and Management, Pos. Pap., FEAST 2000 Worksh., Imp. Col., 10-12 Jul. 2000 [PDF] and as Tech. Report, 2000/14 Nov. 2000, Imp. Col., Dept. of Comp., revi. vers. (with J F Ramil) in Annals of Software Eng., special issue on Software Management, vol. 11, issue 1, 2001, pp. 15-44
[mml649] G Kahen, M M Lehman, J F Ramil and P D Wernick, Dynamic Modelling in the Investigation of Policies for E-type Software Evolution, ProSim 2000, Imp. Col., London UK, 12-14 Jul. 2000, [Abstract] Also as System Dynamics Modelling of Software Evolution Processes for Policy Investigation: Approach and Example, Journal of Systems and Software, v. 59, pp. 271-281
[mml672,jfr83] M M Lehman, J F Ramil and U Sandler, An Approach to Modelling Long-Term Growth Trends in Software Systems, Proc. ICSM 2001, 6-10 Nov., Florence, Italy, pp. 219 – 228
[mml662,jfr67] M M Lehman, J F Ramil and G Kahen, Experiences with Behavioural Process Modelling in FEAST, and Some of its Practical Implications, EWSPT 8, Haus Bommerholz, Witten, Germany, 19-21 Jun. 2001, LNCS, Springer, Berlin, 2001, pp. 47-62
[mml660,jfr55] Ramil JF and Lehman MM, Defining and Analysis Metrics in the Context of Continuing Software Evolution, Metrics 2001, London, 4-6 April 2001, pp. 199-209
[mml670,jfr82] M M Lehman, J F Ramil and G Kahen, Thoughts on the Role of Formalisms in Studying Software Evolution, Proc. of Formal Foundations of Software Evolution, Lisbon, Portugal, 13 Mar. 2001, 8 pps., in Mens T. and Wermelinger M (eds.) Tech. Report UNL-DI-1-2001, Departamento de Informatica, Universidade Nova de Lisboa [PDF]
[mml659,jfr66] M M Lehman and J F Ramil, Towards a Theory of Software Evolution - And Its Practical Impact, invited talk, Proc. ISPSE 2000, Intl. Symposium on the Principles of Software Evolution, Kanazawa, Japan, Nov 1- 2, 2000, IEEE CS Press, pp. 2-11 [Abstract]
[mml652,jfr48] J F Ramil and M M Lehman, Exploring Cost Estimation Models in the Context of Continuing Software Evolution, FESMA-AEMES Software Measurement Conference 2000 "Management Excellence through IT Measurement", Madrid, Spain 18-20 Oct. 2000 [Abstract]
[mml588/2,jfr9.2] M M Lehman and J F Ramil, Software Evolution in the Age of Component Based Software Engineering, IEE Proc. Softw., sp. issue on Component Based Software Eng., v. 147, n. 6, Dec. 2000, pp. 249-255, earlier vers. as Tech. Rep. 98/8, Imp. Col., London, Jun. 1998 [Abstract]
[mml638] J F Ramil and M M Lehman, Metrics of Software Evolution as Effort Predictors - A Case Study, Proc. ICSM 2000, Int. Conference on Software Maintenance, 11-14 Oct. 2000, San Jose, CA, pp.163-172 [Abstract]
[mml651] J F Ramil and M M Lehman, Cost Estimation and 'Evolvability' Monitoring for Software Evolution Processes, , pos. paper, WESS 2000 Workshop on Empirical Studies of Software Maintenance, 14 Oct. 2000, San Jose CA [PDF]
[mml654] M M Lehman, J F Ramil and G Kahen, Evolution as a Noun and Evolution as a Verb, SOCE 2000 Workshop on Software and Organisation Co- evolution, Imp. Col., London, 12-13 Jul. 2000 [PDF]
[mml658] G Kahen and M M Lehman, A Brief Review of Feedback Dimensions in the Global Software Process, Position Paper, FEAST 2000 Workshop, 10- 12 Jul. 2000, DoC Tech. Rep. 2000/15 [PDF]
[jfr52] J F Ramil (ed.), Preprints of FEAST 2000 International Workshop on Feedback and Evolution in Software and Business Process, Imp. Col., London, 10 - 12 Jul. 2000, 124 pps. [FEAST 2000 workshop website]
[jfr41] J F Ramil, 'Why COCOMO Works' Revisited or Feedback Control as a Cost Factor, FEAST 2000 Workshop, Imp. Col., London, 10-12 Jul. 2000, 5 pps. also as Res. Rep. 2000/3, Dept. of Comp., Imp. Col., Feb. 2000 [PDF]
[mml645] M M Lehman, Approach to a Theory of Software Process and Software Evolution, Position Paper, FEAST 2000 Workshop, Imp. Col., 10- 12 Jul. 2000, also as Res. Rep. 2000/2, Dept. of Comp., Imp. Col., Feb. 2000 [PDF]
[mml646] J F Ramil, M M Lehman and G Kahen, The FEAST Approach to Quantitative Process Modelling of Software Evolution Processes, Proc. PROFES'2000 2nd International Conference on Product Focused Software Process Improvement, Oulu, Finland, 20 - 22 Jun. 2000, in Frank Bomarius and Markku Oivo (eds.) LNCS 1840, Springer Verlag, Berlin, 2000, pp. 311 - 325. This paper is a revised version of the report: Kahen G, Lehman MM and Ramil JF, Model-based Assessment of Software Evolution Processes, Research Report 2000/4, Dept. of Comp., Imp. Col., Feb. 2000, 20 pps. [PDF of the report 2000/4]
[mml647] J F Ramil and M M Lehman, Effort Estimation from Change Records of Evolving Software, Proc. ICSE 2000, Poster Summary, Limerick, Ireland, 4 -11 Jun. 2000, p.777 [Abstract]
[jfr42] J F Ramil, Algorithmic Cost Estimation for Software Evolution, Proc. ICSE'2000, Doctoral Workshop, University of Limerick, Ireland, 6 Jun. 2000, pp. 701-703 [Abstract]
[mml642] M M Lehman, J F Ramil and G Kahen, Replacement Decisions for E-type Software - Some Elements, ICSE 2000 2nd Workshop on Economics- Driven Software Engineering Research, Limerick, Ireland, 6 Jun. 2000 [PDF]
[mml648] M M Lehman, J F Ramil and G Kahen, Adapting and Extending Empirical Studies to the Global Software Process, "Beg, Borrow, or Steal: Using Multidisciplinary Approaches in Empirical Software Engineering Research" Wrkshp, Limerick, Ireland, 5 Jun. 2000 [PDF]
[mml622] G Kahen, M M Lehman and J F Ramil, Empirical Studies of the Global Software Process - The Impact of Feedback, Position Paper, Proc. of WESS 99 Workshop on Empirical Studies of Software Maintenance, Keble Col., Oxford, UK, 3-4 Sept. 1999 [PDF]
[mml629] G Kahen, M M Lehman and J F Ramil, Can the Legacy Syndrome be Avoided? - Legacy Systems in the Context of Software Evolution, Position Paper, Taking a Global View of Legacy Systems, 7th SEBPC Legacy Workshop, Oxford, 30 Aug. 1999 [PDF]
[mml618] J F Ramil and M M Lehman, Challenges facing Data Collection for Support and Study of Software Evolution Processes, pos. pap., ICSE 99 Workshop on Empirical Studies of Software Development and Evolution, Los Angeles, 18 May 1999, 5 pps. [PDF]
[mml619] M M Lehman and J F Ramil, Modelling Process Dynamics in Software Evolution Processes - Some Issues, pos. pap., ICSE 99 Workshop on Software Change and Evolution, Los Angeles, 17 May 1999, 5 pps. [PDF]
[mml599] M M Lehman, FEAST/2: Case for Support, ICSTM, DoC, EPSRC Proposal, Jul. 1998, 11 pps. [ Click here to see Case for Support Part 2 (HTML) ]
[mml613] M M Lehman, FEAST/1 Final Report - Grant Number GR/K86008, Dept. of Comp., Imp. Col., London, Dec. 1998 [PDF]
[mml632] M M Lehman, J F Ramil and P D Wernick, Metrics-Based Process Modeling With Illustrations From The FEAST/1 Project, chapter 10 in Bustard D, Kawalek P and Norris M (eds.). Systems Modelling for Business Process Improvement, Artech House, Norwood, MA, 2000, pp. 147-170
[mml602] B W Chatters, M M Lehman, J F Ramil and P Wernick, Modelling a Software Evolution Process, ProSim'99, Softw. Process Modelling and Simulation Workshop, Silver Falls, Oregon, 28-30 Jun. 1999, also as Modelling A Software Evolution Process : A Long-term Case Study in J. of Softw. Proc.: Improvement and Practice, 2000 v. 5, iss. 2-3, Jul. 2000, pp. 95-102 [Abstract] [Link to Journal Version ]
[mml606] M M Lehman and J F Ramil, Feedback, Evolution And Software Technology - Some Results from the FEAST Project, Keynote Lecture, Proc. 11th Int. Conf. on Software Engineering and its Application, Preprints, Vol. 1, Paris, 8-10 Dec. 1998, pp. 1-12 [PDF]
[mml586] M M Lehman, D E Perry and J F Ramil, On Evidence Supporting the FEAST Hypothesis and the Laws of Software Evolution, Proc. Metrics'98, Bethesda, Maryland, 20-21 Nov. 1998, pp. 84-88 [Abstract]
[mml603] M M Lehman, Thoughts on Continuing Successful Use of COTS and the Laws of Software Evolution, Panel Position - Maintaining Component Based Systems, Is it Possible?, Int. Conf. on Soft. Maintenance (ICSM'98), Bethesda, Maryland, 16-18 Nov. 1998, 2 pps. [PDF]
[mml589] M M Lehman, D E Perry and J F Ramil, Implications of Evolution Metrics on Software Maintenance, Proc. Int. Conf. on Soft. Maintenance (ICSM'98), Bethesda, Maryland, 16-20 Nov. 1998, pp. 208-217 [Abstract]
[mml593,jfr7] M M Lehman and J F Ramil, Metric Based Program Evolution Management, pos. statement, Workshop on Empirical Studies of Software Maintenance, WESS '98, Bethesda, MD, 16 Nov. 1998, pp. 5-7 [PDF]
[mml601] M M Lehman, J F Ramil and P Wernick, The Influence of Global Factors On Software System Evolution, Res. Rep. 98/11, Dept. of Comp., Imp. Col., London, Oct. 1998 [PDF]
[mml595] J F Ramil and M M Lehman, Fuzzy Dynamics in Software Project Simulation and Support, Proc. 6th European Workshop on Softw. Process Technology (EWSPT-6), 16-18 Sept. 1998, Weybridge, Surrey UK, LNCS 1487, Springer-Verlag, pp. 122-126 [Abstract] [PDF]
[mml594] M M Lehman and J F Ramil, The Impact of Feedback in the Global Software Process, ICSTM, Feedback, Evolution And Software Technology, Keynote Lect., ProSim '98 Workshop, Silver Falls, OR, 23 Jun. 1998. As a revised version in the Journal of Systems and Software, Vol. 46, Numbers 2/3, 15 Apr. 1999, pp. 123-134 [Abstract] [Link to Journal Version ]
[mml582] P Wernick and M M Lehman, Software Process White Box Modelling for FEAST/1, ProSim '98 Workshop, Silver Falls, OR, 23 Jun. 1998. As a revised version in Journal of Systems and Software, Vol. 46, Numbers 2/3, 15 Apr. 1999 [Abstract] [Link to Journal Version ]
[mml588] M M Lehman and J F Ramil, Implications of Laws of Software Evolution on Continuing Successful Use of COTS Software, DoC Tech. Rep. 98/8, Imp. Col., London, Jun. 1998 [Abstract] [PDF]
[mml585] M M Lehman, Feedback, Evolution and Software Technology - The Human Dimension, ICSE 20 Workshop on Human Dimension in Successful Software Development, 20 Apr. 1998, Kyoto, Japan [Abstract] [PDF]
[mml581] M M Lehman and P Wernick, System Dynamics Models of Software Evolution Processes, Proc. Int. Wrkshp. on the Principles fo Software Evolution IWPSE-98, ICSE-20, 20-21 Apr. 1998, Kyoto, Japan, pp. 6-10 [PDF]
[mml575] M M Lehman, The Future of Software - Managing Evolution, inv. contr. to sp. ed. of IEEE Software, Jan. 1998, pp. 40-44
[mml568] M M Lehman, D E Perry, J F Ramil, W M Turski and P Wernick, Metrics and Laws of Software Evolution - The Nineties View, Proc. Fourth Int. Symp. on Software Metrics, Metrics 97, Albuquerque, New Mexico, 5-7 Nov. 1997, pp 20-32. Also in K El Eman and N H Madhavji (eds.), Elements of Software Process Assessment and Improvement, IEEE CS Press, 1999, pp. 343-368 [Abstract] [ MATLAB code for estimation of inverse square model]
[mml569] M M Lehman, Process Modeling: Where Next?, "Most Influential Paper of ICSE 9 Award", Proc. ICSE 19, Boston, 20-22 May 1997, pp. 549-552, as a revised version in Robin B. Hunter and Richard H. Thayer (eds.), Software Process Improvement, IEEE CS Press, Aug. 2001 [Abstract]
[mml566] M M Lehman, Quantitative Studies in Software Evolution -- From OS/360 to FEAST, Workshop on Process Modelling and Empirical Studies of Software Evolution, Boston, MA, 18 May 1997 [PDF]
[mml567] M M Lehman, Feedback in the Software Process, Pre- prints Software Engineering Association Easter Workshop, SEA'97, ICSTM, 14-15 Apr. 97, pp. 43-49 [PDF]
[mml565] M M Lehman, Process Improvement - The Way Forward, Invited Keynote Address, Proc. Brazilian Software Engineering Conference, 14-18 Oct. 1996, pp. 23-35 [PDF]
[mml556] M M Lehman, Laws of Software Evolution Revisited, pos. pap., EWSPT96, Oct. 1996, LNCS 1149, Springer Verlag, 1997, pp. 108-124 [PDF]
[mml546] M M Lehman and V Stenning, FEAST/1: Case for Support, ICSTM, DoC, EPSRC Proposal, Nov. 1995/Mar. 1996, 11 pps. [PDF of Part 1 - Mini-CV of Ppal.Investigators] [Postscript of Case for Support Part 2] [Click here to see Case for Support Part 2 (HTML)]
[wmt96] W M Turski, A Reference Model for the Smooth Growth of Software Systems, U. of Warsaw, March 1996, IEEE. Trans.Softw. Eng., v.22, n.8, Aug. 1996, pp. 599-600
[mml552] M M Lehman, D E Perry and W M Turski Why is it so hard to find Feedback Control in Software Processes? Invited Talk, Proc. of the 19th Australasian Comp. Sc. Conf., Melbourne, Australia, 31 Jan. - 2 Feb. 1996, pp. 107-115 [PDF]
[mml532] M M Lehman, Feedback in the Software Evolution Process, Keynote Address, CSR Eleventh Annual Workshop on Software Evolution: Models and Metrics. Dublin, 7-9 Sept. 1994, Workshop Proc., Information and Software Technology, sp. is. on Software Maintenance, v. 38, n. 11, 1996, Elsevier, 1996, pp. 681-686 [Abstract]
M M Lehman, Feedback, Evolution and Software Technology, Softw. Proc. Newsletter, Spring 1995, IEEE Comp. Soc., pp. 3 - 6 and Proc. CAiSE 95, Jyvaskyla, Jun. 1995, Lect. Notes in Comp. Sci., Springer Verlag, pp. 1-11
M M Lehman, Process Improvement - The Way Forward, Proc. IEE Colloquium "Are Software Technologies Delivering their Promise?", 21 Mar. 1995, Digest No. 95/056, IEE, Savoy Place, London WC2R 0BL [PDF]
M M Lehman, Characteristics of S-, E- and P-Type Applications and Software, Prepr., Second FEAST Workshop, Imp.Col., 24-25 Oct. 1994
M M Lehman, Evolution, Feedback And Software Technology, Pos. Pap. - SPW9, Proc. 9th Int. Softw. Process Workshop, 5-7 Oct. 1994, publ. by IEEE Comp. Soc., 1995
[fea94,5] Preprints of the (first) three FEAST Workshops, M M Lehman (ed.), Dept. of Comp., ICSTM, 1994/5 [PDF First Workshop][PDF Second Workshop] [PDF Third Workshop]
[mml690c/jf103c] M M Lehman and J F Ramil, Software Evolution, STRL Annual Distinguished Lecture, De Montfort Univ., Leicester, 20 Dec. 2001 [Charts Part 1 PDF] [Charts Part 2 PDF]
[mml681c] J F Ramil (with M M Lehman), Plans for Further Work after FEAST, WESS 2001, Florence, Italy, 9 Nov. 2001 [Charts PDF]
[mml672c] J F Ramil (with M M Lehman and U Sandler), An Approach to Modelling Long-Term Growth Trends in Software Systems, ICSM 2001, Florence, Italy, 7 Nov. 2001 [Charts PDF]
[mml676c/5c] M M Lehman, Software Evolution - Its Source, Nature and Control,, Research Seminar, Computing Department, The Open University, Walton Hall, Milton Keynes, 11 Oct 2001 [Charts PDF]
[mml680c] J F Ramil (with M M Lehman), An Approach to a Theory of Software Evolution, revised charts, IWPSE 2001, Vienna, 10 Sept 2001 [Charts PDF]
[mml678c] M M Lehman, Software Evolution inv. keynote lecture, IWPSE 2001, Vienna, 10 Sept 2001 [Charts PDF]
[mml676/2c] M M Lehman (with J F Ramil and G Kahen), Software Evolution - Its Source, Nature and Control, DTI-Outreach event, IBM Hursley, UK, 18 June 2001 [Charts PDF]
[mml676c] M M Lehman, Software Evolution - Its Source, Nature and Control, Microsoft Productivity Centre, Redmond WA, 21 May 2001
[mml675c, jfr95c] M M Lehman and J F Ramil, Software Evolution: From Observations to Theory, Invited Seminar, Univ. of Sannio, Benevento, Italy, 3 May 2001 [Part 1 - mml charts PDF][Part 2 - jfr charts PDF]
[mml675c, jfr89c] M M Lehman and J F Ramil, Understanding and Managing Software Evolution, Invited Lectures, Master in Software Technology, Univ. of Sannio, Ariano Irpino, Italy, 2-3 May 2001 [Message to the participants in the Master] [mml lectures 1 to 4 PDF] [jfr lecture 1 PDF] [jfr lecture 2 part a PDF] [jfr lecture 3 part a PDF] [jfr lecture 3 part b PDF **REV.**] [jfr (planned) lecture 4 PDF] [Brook's Law (System Dynamic Model for Vensim 4.1) ZIP file **REV.**] [Instructions Lab Session 2 **REV.**] [Lehman's 2nd Law Incr. Complex. (System Dynamic Model for Vensim 4.1) ZIP file **REV.**] [Link to Vensim Free Downloads (e.g. Vensim Model Reader)]
[mml671c] M M Lehman, Theory and Practice of Software Evolution, Ericsson Systems Expertise Limited, Invited Talk, Ericsson, Ireland, 31 January 2001
[jfr80c] J F Ramil, FEAST/2: Some Results, Current View, Issues, FEAST/2 Internal Workshop, Dept. of Computing, Imperial College, London, 19 Dec. 2000 [Charts PDF]
[mml653c] M M Lehman and J F Ramil, Role and Impact of Feedback and System Dynamics in Software Evolution Processes and their Improvement, EuroSPI 2000, Copenhagen, Denmark, 8 Nov. 2000 [Charts PDF]
[mml659c] M M Lehman, Towards a Theory of Software Evolution - And its Practical Impact, Invited Keynote, ISPSE 2000, JAIST, Kanazawa, Japan, 1-2 Nov. 2000 [Charts PDF]
[mml652c,jfr48c] J F Ramil (with M M Lehman), Exploring Cost Estimation Models in the Context of Continuing Software Evolution, FESMA-AEMES Software Measurement Conference 2000 "Management Excellence through IT Measurement", Madrid, Spain, 19 Oct. 2000 [Charts PDF]
[mml651c,jfr47c] J F Ramil (with M M Lehman), Cost Estimation and Evolvability Monitoring for Software Evolution Processes, WESS 2000 Workshop on Empirical Studies of Software Maintenance, San Jose CA, 14 Oct. 2000 [Charts PDF]
[mml638c,jfr61c] J F Ramil (with M M Lehman), Metrics of Software Evolution as Effort Predictors - A Case Study, ICSM 2000, San Jose, CA, 13 Oct. 2000 [Charts PDF]
[mml640c] M M Lehman,Thirty Years in Software Process, Keynote Lect., EWSPT 2000, Kaprun at Zell am See, Austria, 23-25 Feb. 2000 [Charts PDF]
[san] U Sandler,Some Approaches to the Study of Feedback in Physics and their Application in the FEAST Study, Seminar at the Dept. of Computing, Imperial College, 19 Jan., 2000 [Part 1 Approaches from Physics PDF] [Part 2 - Fuzzy Dynamics PDF]
[mml641c] M M Lehman, Two Early Computers - ICCE I II and SABRAC, Computer Conservation Society, Science Museum, London, 16 Dec. 1999 [Charts PDF]
[mml637c] M M Lehman, Simulation in Research and Development, Keynote lecture, Simulation '99, UK Simulation Society, UCL Shenley Conference Centre, 29 Oct. 1999 [Charts PDF]
[mml634/2] M M Lehman, FEAST - Feedback, Evolution And Software Technology, Keynote Lecture, SAICSIT'99: Prepare for the New Millennium, Mount Amanzi Lodge, Johannesburg, South Africa, 17-19 Nov. 1999 [Charts PDF]
[mml634c] M M Lehman, Software System Maintenance and Evolution in an Era of Reuse, COTS and Component Based Systems, Joint Keynote Lecture, International Conference on Software Maintenance and Int. Workshop on Empirical Studies of Software Maintenance WESS 99, Oxford, 3 Sept. 1999 [Charts PDF]
[mml629c] M M Lehman and J F Ramil, Can the Legacy Syndrome be Avoided? - Legacy Systems in the Context of Software Evolution, Taking a Global View of Legacy Systems, 7th SEBPC Legacy Workshop, Oxford, 30 Aug. 1999 [Charts PDF]
[mml624c] M M Lehman and J F Ramil, FEAST, SCE'99, Workshop on Software Change and Evolution, Los Angeles, USA, 17 May 99 [Charts PDF]
[mml616c,jfr39c] M M Lehman and J F Ramil, Metrics-based Process Modelling with Illustrations from the FEAST Project, Tutorial, Workshop on Systems Modelling for Business Process Improvement (SMBPI), University of Ulster, Coleraine Campus, Northern Ireland, 29 Mar. 99
[mml607c] M M Lehman and J F Ramil, A Metrics-based Study of Software Evolution - Some Results from FEAST/1, charts, Technical Discussion Meeting organised by Professional Group A6, (Systems Integration), IEE, Savoy Place, London, 21 Jan. 1999 [Charts PDF]
[jfr10c] J F Ramil, Metrics of Software Evolution in FEAST/1, charts, Presentation to ICL, Manchester, 24 Sept. 1998 [Charts PDF]
[mml604c] M M Lehman, FEAST - Feedback, Evolution and Software Technology, charts, Presentation to ICL, Manchester, 24 Sept. 1998 [Charts PDF]
[mml594/c] M M Lehman, The Impact of Feedback in the Global Software Process, with JF Ramil, ICSTM, Feedback, Evolution And Software Technology, Keynote Lect., ProSim '98 Workshop, Silver Falls, OR, 23 Jun. 1998, revised vers. in J. of Sys. and Softw., Vol. 46, No.2/3, 14 Apr. 1999, pp 123- 134 [Charts PDF]
[mml562c] M M Lehman, Why COCOMO Works, Invited Talk (in absentia), COCOMO Symposium, Oct. 1996
[mml563c] M M Lehman, Long Live Maintenance, Maintenance for Ever? Invited Talk, 10th European Software Maintenance Workshop, 22-25 Sept. 1996
Copies of documents may be requested in other formats or in hard copy from: mml@doc.ic.ac.uk
Note: PDF files are opened with Acrobat Reader.