@inproceedings{SIGMOD-1984-Guttman,
	author        = "Antonin Guttman",
	booktitle     = "{Proceedings of the 14th ACM SIGMOD International Conference on Management of Data}",
	cdrom         = "SIGMOD84/P047.PDF",
	doi           = "10.1145/602259.602266",
	pages         = "47--57",
	publisher     = "{ACM Press}",
	title         = "{R-Trees: A Dynamic Index Structure for Spatial Searching}",
	year          = 1984,
}