Graphics in Requirements Specifications of Information Systems, Proc. CAMP'83, 1983. ,
On Model Types and their Conceptual and Spatial Representation in RAMATIC, SYSLAB, 1982. ,
RAMATIC: A Computer-Aid for Modeling Activities (Use Situations ,
Modern Structured Analysis, 1989. ,
Modelling CASE Environments in Systems Development, Proc. of CASE89 the First Nordic Conference on Advanced Systems Engineering, 1989. ,
CASE Tools and the IS workplace: Some findings form empirical research, Proceedings of the ACM SIGCPR conference on Management of information systems personnel , SIGCPR '88, 1988. ,
DOI : 10.1145/57216.57228
Metamodeling editor as a front end tool for a CASE shell, Advanced Information Systems Engineering, 1992. ,
DOI : 10.1007/BFb0035153
How to combine tools and methods in practice??? a field study, In: Advanced Information Systems Engineering. B. Steinholz, pp.195-214, 1990. ,
DOI : 10.1007/BFb0000593