Mark E. Stickel. Fuzzy four-valued logic for inconsistency and uncertainty. In Proceedings of the eighth international symposium on Multiple-valued logic, MVL 1978, Rosemont, Illinois, USA, 1978. pages 91-94, IEEE Computer Society Press, 1978. [doi]
@inproceedings{Stickel78, title = {Fuzzy four-valued logic for inconsistency and uncertainty}, author = {Mark E. Stickel}, year = {1978}, url = {http://dl.acm.org/citation.cfm?id=804191}, researchr = {https://researchr.org/publication/Stickel78}, cites = {0}, citedby = {0}, pages = {91-94}, booktitle = {Proceedings of the eighth international symposium on Multiple-valued logic, MVL 1978, Rosemont, Illinois, USA, 1978}, publisher = {IEEE Computer Society Press}, }