@mastersthesis {34652,
	title = {Impact of the cabbage maggot, Delia radicum (L.) (Diptera: Anthomyiidae), on canola, Brassica campestris L., in north-central Alberta},
	volume = {Environmental Biology},
	year = {1985},
	pages = {98},
	address = {University of Guelph},
	keywords = {insecta},
	author = {McDonald, R. S.}
}
