@inproceedings{HCI-SHI-1993-SchumacherL,
	author        = "Robert M. Schumacher Jr. and Arnold M. Lund",
	booktitle     = "{Proceedings of the Fifth International Conference on Human-Computer Interaction. Volume 2: Software and Hardware Interfaces}",
	isbn          = "0-444-89540-X",
	pages         = "21--26",
	publisher     = "{Elsevier}",
	title         = "{Development of a Usable Graphical User Interface Design Guide}",
	year          = 1993,
}