IDL as a Data Description Language for a Programming Environmemnt Database. - Tor Didriksen; Anund Lie; Reidar Conradi (ACM SIGPLAN Notices, 1987)

Change Oriented Versioning. - Anund Lie; Tor Didriksen; Reidar Conradi; Even-André Karlsson; Svein O. Hallsteinsen; Per Holager (ESEC, 1989)

Change Oriented Versioning in a Software Engineering Database. - Anund Lie; Reidar Conradi; Tor Didriksen; Even-André Karlsson (SCM, 1989)

Software Process Modelling in EPOS. - Reidar Conradi; Anund Lie; Espen Osjord; Per H. Westby; Vincenzo Ambriola; Maria Letizia Jaccheri; Chunnian Liu (CAiSE, 1990)