Sylvia de Hoop, Peter van Oosterom, Martien Molenaar. Topological Querying of Multiple Map Layers. In COSIT. pages 139-157, 1993.
@inproceedings{HoopOM93, title = {Topological Querying of Multiple Map Layers}, author = {Sylvia de Hoop and Peter van Oosterom and Martien Molenaar}, year = {1993}, researchr = {https://researchr.org/publication/HoopOM93}, cites = {0}, citedby = {0}, pages = {139-157}, booktitle = {COSIT}, }