@inproceedings{DAC-1980-Jayakumar,
	author        = "V. Jayakumar",
	booktitle     = "{Proceedings of the 17th Design Automation Conference}",
	doi           = "10.1145/800139.804533",
	isbn          = "0-89791-020-6",
	pages         = "237--242",
	publisher     = "{ACM/IEEE}",
	title         = "{A data structure for interactive placement of rectangular objects}",
	year          = 1980,
}