1. Aronsson, M., “The GCLA User’s Manual,”Technical Report, SICS T89012, Swedish Institute of Computer Science, 1989.
2. Aronsson, M., “The Instruction Set for the GCLA Abstract Machine,”Research Report, SICS R89002, Swedish Institute of Computer Science, 1989.
3. Eriksson, L.-H. and Hallnäs, L., “A Programming Calculus Based on Partial Inductive Definitions,”Research Report, SICS R88013, Swedish Institute of Computer Science, 1988.
4. Fredholm, D. and Serafimovski, S., “Partial Inductive Definitions as Type Systems for λ-terms,”Master’s thesis, Department of Mathematics, University of Stockholm, 1988. Unpublished.
5. Gabbay, D. M. and Reyle, U., “N-PROLOG: An Extension of Prolog with Hypothetical Implications: I,”Journal of Logic Programming,Vol. 1,No. 4, 1984.