@inproceedings{CHI-1991-DzidaFV,
	author        = "Wolfgang Dzida and Regine Freitag and Wilhelm Valder",
	booktitle     = "{Proceedings of the Ninth ACM SIGCHI Conference on Human Factors in Computing Systems}",
	doi           = "10.1145/108844.108983",
	isbn          = "0-89791-383-3",
	pages         = "421--422",
	publisher     = "{ACM}",
	title         = "{ERGO-Shell: a UNIX-interface for task preparation}",
	year          = 1991,
}