Kim Marriott, Harald Søndergaard. On prolog and the occur check problem. SIGPLAN Notices, 24(5):76-82, 1989. [doi]
@article{MarriottS89:0, title = {On prolog and the occur check problem}, author = {Kim Marriott and Harald Søndergaard}, year = {1989}, doi = {10.1145/66068.66075}, url = {http://doi.acm.org/10.1145/66068.66075}, tags = {Prolog}, researchr = {https://researchr.org/publication/MarriottS89%3A0}, cites = {0}, citedby = {0}, journal = {SIGPLAN Notices}, volume = {24}, number = {5}, pages = {76-82}, }