@article {leite_requirements_1991,
	title = {Requirements {Validation} {Through} {Viewpoint} {Resolution}},
	journal = {IEEE Tranactions on Software Engineering},
	volume = {17},
	year = {1991},
	note = {n/a},
	pages = {1253{\textendash}1269},
	abstract = {n/a},
	keywords = {requirements validation},
	author = {Leite, Julio Cesar Sampaio do Prado and Freeman, Peter A.}
}
