2-BSC IN INFORMATION & COMPUTER SCIENCE, LUND UNIV., SWEDEN,1986

3-MSC IN INFORMATION & COMPUTER SCIENCE, LUND UNIV., SWEDEN,1989

4-PhD IN INFORMATION & COMPUTER SCIENCE (INFORMATICS), LUND UNIV., SWEDEN,1993

PhD & MASTER THESIS ARE ABOUT EXPERT SYSTEMS DEVELOPMENT, PUBLISHED AT LUND UNIVERSITY, DEPT. OF INFORMATICS, 1993