@inproceedings{HT-1991-Ess,
	author        = "Charles Ess",
	booktitle     = "{Proceedings of the Third Conference on Hypertext}",
	cdrom         = "HT1991/P277.pdf",
	doi           = "10.1145/122974.105195",
	isbn          = "0-89791-461-9",
	pages         = "277--289",
	publisher     = "{ACM}",
	title         = "{The Pedagogy of Computing: Hypermedia in the Classroom}",
	year          = 1991,
}