Robert Cartwright, Mike Fagan. Soft typing (with retrospective). In Kathryn S. McKinley, editor, 20 Years of the ACM SIGPLAN Conference on Programming Language Design and Implementation 1979-1999, A Selection. pages 412-428, ACM, 1991. [doi]
@inproceedings{CartwrightF91a, title = {Soft typing (with retrospective)}, author = {Robert Cartwright and Mike Fagan}, year = {1991}, doi = {10.1145/989393.989435}, url = {http://doi.acm.org/10.1145/989393.989435}, researchr = {https://researchr.org/publication/CartwrightF91a}, cites = {0}, citedby = {0}, pages = {412-428}, booktitle = {20 Years of the ACM SIGPLAN Conference on Programming Language Design and Implementation 1979-1999, A Selection}, editor = {Kathryn S. McKinley}, publisher = {ACM}, isbn = {1-58113-623-4}, }