@inproceedings{SIGMOD-1986-Orenstein,
	author        = "Jack A. Orenstein",
	booktitle     = "{Proceedings of the 16th ACM SIGMOD International Conference on Management of Data}",
	cdrom         = "SIGMOD86/P326.PDF",
	doi           = "10.1145/16894.16886",
	pages         = "326--336",
	title         = "{Spatial Query Processing in an Object-Oriented Database System}",
	year          = 1986,
}