The FEAST Approach to Quantitative Process Modelling of Software Evolution Processes. - Juan F. Ramil; M. M. Lehman; Goel Kahen (PROFES, 2000)

Thoughts on the Role of Formalisms in Studying Software Evolution. - Meir M. Lehman; Juan F. Ramil; Goel Kahen (FFSE@CSMR, 2001)

Experiences with Behavioural Process Modelling in FEAST, and Some of Its Practical Implications. - M. M. Lehman; Juan F. Ramil; Goel Kahen (EWSPT, 2001)

System dynamics modelling of software evolution processes for policy investigation: Approach and example. - Goel Kahen; Meir M. Lehman; Juan F. Ramil; Paul Wernick (J. Syst. Softw., 2001)

Behavioural modelling of long-lived evolution processes - some issues and an example. - Meir M. Lehman; Goel Kahen; Juan F. Ramil (J. Softw. Maintenance Res. Pract., 2002)