Raymond Reiter. On Closed World Data Bases. In Logic and Data Bases. pages 55-76, 1977.
@inproceedings{Reiter77:0, title = {On Closed World Data Bases}, author = {Raymond Reiter}, year = {1977}, tags = {data-flow}, researchr = {https://researchr.org/publication/Reiter77%3A0}, cites = {0}, citedby = {0}, pages = {55-76}, booktitle = {Logic and Data Bases}, }