@inproceedings{CHI-1991-MackinlayRC,
	author        = "Jock D. Mackinlay and George G. Robertson and Stuart K. Card",
	booktitle     = "{Proceedings of the Ninth ACM SIGCHI Conference on Human Factors in Computing Systems}",
	doi           = "10.1145/108844.108870",
	isbn          = "0-89791-383-3",
	pages         = "173--176",
	publisher     = "{ACM}",
	title         = "{The perspective wall: detail and context smoothly integrated}",
	year          = 1991,
}