Jon Doyle, Michael P. Wellman. Impediments to Universal Preference-Based Default Theories. Artificial Intelligence, 49(1-3):97-128, 1991.
@article{DoyleW91, title = {Impediments to Universal Preference-Based Default Theories}, author = {Jon Doyle and Michael P. Wellman}, year = {1991}, tags = {rule-based}, researchr = {https://researchr.org/publication/DoyleW91}, cites = {0}, citedby = {0}, journal = {Artificial Intelligence}, volume = {49}, number = {1-3}, pages = {97-128}, }