Stephen D. Post, Andrew P. Sage. A least exception logic shell for intelligent systems. Int. J. Intell. Syst., 7(3):195-243, 1992. [doi]
@article{PostS92,
title = {A least exception logic shell for intelligent systems},
author = {Stephen D. Post and Andrew P. Sage},
year = {1992},
doi = {10.1002/int.4550070302},
url = {http://dx.doi.org/10.1002/int.4550070302},
researchr = {https://researchr.org/publication/PostS92},
cites = {0},
citedby = {0},
journal = {Int. J. Intell. Syst.},
volume = {7},
number = {3},
pages = {195-243},
}