@inproceedings{barkley-etal-1999,
	Author = {John Barkley and Konstantin Beznosov and Jinny Uppal},
	Booktitle = {Fourth ACM Role-based Access Control Workshop},
	Month = {Oct},
	Pages = {55-65},
	Title = {Supporting Relationships in Access Control Using Role Based Access Control},
	Url = {http://hct.ece.ubc.ca/publications/pdf/barkley-etal-1999.pdf},
	Year = {1999},
	Bdsk-Url-1 = {http://hct.ece.ubc.ca/publications/pdf/barkley-etal-1999.pdf}
}