Max J. Egenhofer, Werner Kuhn. Visualizing Spatial Query Results: The Limitations of SQL. In Elöd Knuth, Lutz Michael Wegner, editors, Visual Database Systems, II. Proceedings of the IFIP TC2/WG 2.6 Second Working Conference on Visual Database Systems. Budapest, Hungary, 30 September - 3 October 1991. Volume A-7 of IFIP Transactions, pages 5-18, North-Holland, 1991.
@inproceedings{EgenhoferK91, title = {Visualizing Spatial Query Results: The Limitations of SQL}, author = {Max J. Egenhofer and Werner Kuhn}, year = {1991}, tags = {SQL}, researchr = {https://researchr.org/publication/EgenhoferK91}, cites = {0}, citedby = {0}, pages = {5-18}, booktitle = {Visual Database Systems, II. Proceedings of the IFIP TC2/WG 2.6 Second Working Conference on Visual Database Systems. Budapest, Hungary, 30 September - 3 October 1991}, editor = {Elöd Knuth and Lutz Michael Wegner}, volume = {A-7}, series = {IFIP Transactions}, publisher = {North-Holland}, isbn = {0-444-89609-0}, }