@inproceedings{SIGMOD-1993-HasanHKNPS,
	author        = "Waqar Hasan and Michael L. Heytens and Curtis P. Kolovson and Marie-Anne Neimat and Spyros Potamianos and Donovan A. Schneider",
	booktitle     = "{Proceedings of the 23rd ACM SIGMOD International Conference on Management of Data}",
	cdrom         = "SIGMOD93/P554.PDF",
	doi           = "10.1145/170035.171562",
	pages         = "554--555",
	publisher     = "{ACM Press}",
	title         = "{Papyrus GIS Demonstration}",
	year          = 1993,
}