Jim Diederich. Minimal Covers Revisited: Correct and Efficient Algorithms. SIGMOD Record, 20(1):12-13, 1991. [doi]
@article{Diederich91, title = {Minimal Covers Revisited: Correct and Efficient Algorithms}, author = {Jim Diederich}, year = {1991}, doi = {10.1145/122050.122053}, url = {http://doi.acm.org/10.1145/122050.122053}, researchr = {https://researchr.org/publication/Diederich91}, cites = {0}, citedby = {0}, journal = {SIGMOD Record}, volume = {20}, number = {1}, pages = {12-13}, }