@inbook {16213,
	title = {The future of graphic user interfaces: Personal role managers},
	booktitle = {People and Computers},
	year = {1994},
	month = {1994///},
	pages = {444 - 444},
	publisher = {Cambridge University Press},
	organization = {Cambridge University Press},
	isbn = {9780521485579},
	author = {Shneiderman, Ben and Plaisant, Catherine}
}
