Author="H. Akkermans and B. Wielinga and G. Schreiber",
Title="{Steps in Constructing Problem Solving Methods}",
Year="September 6-10, 1993",
Publisher="Lecture Notes in AI, no 723, Springer-Verlag, Berlin",
Address="Toulouse and Caylus, France",
BookTitle="{Knowledge Acquisition for Knowledge-Based Systems, 7th European Workshop, EKAW93}")
@techReport(BWS87,
AUTHOR="J. Breuker and B. Wielinga and M.v. Someren and R. de Hoog and G. Schreiber and P. de Greef and B. Bredeweg and J. Wielemaker and J.-P. Billault",