John R. Fisher, Luu Tran. A visual logic. In Proceedings of the 1996 ACM Symposium on Applied Computing (SAC), February 17-19, 1996, Philadelphia, PA, USA. pages 17-21, ACM, 1996. [doi]
@inproceedings{FisherT96, title = {A visual logic}, author = {John R. Fisher and Luu Tran}, year = {1996}, doi = {10.1145/331119.331130}, url = {http://doi.acm.org/10.1145/331119.331130}, tags = {logic}, researchr = {https://researchr.org/publication/FisherT96}, cites = {0}, citedby = {0}, pages = {17-21}, booktitle = {Proceedings of the 1996 ACM Symposium on Applied Computing (SAC), February 17-19, 1996, Philadelphia, PA, USA}, publisher = {ACM}, }