David Canfield Smith, Horace Enea. Backtracking in MLISP2: an efficient backtracking method for LISP. In IJCAI. pages 677-685, 1973.
@inproceedings{SmithE73, title = {Backtracking in MLISP2: an efficient backtracking method for LISP}, author = {David Canfield Smith and Horace Enea}, year = {1973}, researchr = {https://researchr.org/publication/SmithE73}, cites = {0}, citedby = {0}, pages = {677-685}, booktitle = {IJCAI}, }