Frank Pfenning. Types in Logic Programming. In ICLP. pages 786, 1990.
@inproceedings{Pfenning90, title = {Types in Logic Programming}, author = {Frank Pfenning}, year = {1990}, tags = {logic programming, programming, logic}, researchr = {https://researchr.org/publication/Pfenning90}, cites = {0}, citedby = {0}, pages = {786}, booktitle = {ICLP}, }