@inproceedings{CHI-1990-Campbell,
	author        = "Robert L. Campbell",
	booktitle     = "{Proceedings of the Eighth ACM SIGCHI Conference on Human Factors in Computing Systems}",
	doi           = "10.1145/97243.97285",
	isbn          = "0-201-50932-6",
	pages         = "269--276",
	publisher     = "{ACM}",
	title         = "{Developmental scenario analysis of Smalltalk programming}",
	year          = 1990,
}