@article {42580,
	title = {Geographic variation in population cycles of Canadian muskrats (Ondatra zibethicus)},
	volume = {78},
	year = {2000},
	pages = {1009-1016},
	publisher = {Canadian Journal of Zoology},
	url = {http://article.pubs.nrc-cnrc.gc.ca/RPAS/RPViewDoc?_handler_=HandleInitialGet\&calyLang=eng\&journal=cjz\&volume=80\&articleFile=z02-170.pdf},
	author = {Erb, John and Stenseth, Nils Chr. and Boyce, Mark S.}
}
