@mastersthesis {38701,
	title = {Black gall on aspen: Anatomy, histology, and relationship to decay},
	volume = {Plant Science},
	year = {1993},
	pages = {128},
	address = {University of Alberta},
	url = {http://search.proquest.com/docview/89211828},
	author = {Crane, Patricia Ellen}
}
