@inproceedings{HCI-CE-1987-PaulW,
	author        = "D. W. Paul and Hans-Rüdiger Wiehle",
	booktitle     = "{Proceedings of the Second International Conference on Human-Computer Interaction. Volume 2: Cognitive Engineering in the Design of Human-Computer Interaction and Expert Systems}",
	isbn          = "0-444-42848-8",
	pages         = "53--60",
	publisher     = "{Elsevier}",
	title         = "{Towards a Truly High-Level and Integrated Human-Computer Interface}",
	year          = 1987,
}