@inproceedings{SIGMOD-1985-BeckleyER,
	author        = "D. A. Beckley and Martha W. Evens and V. K. Raman",
	booktitle     = "{Proceedings of the 15th ACM SIGMOD International Conference on Management of Data}",
	cdrom         = "SIGMOD85/P291.PDF",
	doi           = "10.1145/318898.318925",
	pages         = "291--301",
	publisher     = "{ACM Press}",
	title         = "{Multikey Retrieval from K-d Trees and Quad-Trees}",
	year          = 1985,
}