- Rudolf Andersen, Janis A. Bubenko Jr., Arne Sølvberg, editors, Advanced Information Systems Engineering, CAiSE 91, Trondheim, Norway, May 13-15, 1991, Proceedings. Volume 498 of Lecture Notes in Computer Science, Springer, 1991.
- CAiSE. 1991.
- CAiSE. 1991.