@article {38905,
	title = {Macroinvertebrates of a beaver-altered boreal stream of Alberta, Canada, with special reference to the fauna on the dams},
	volume = {71},
	year = {1993},
	pages = {1439-1447},
	publisher = {Canadian Journal of Zoology},
	url = {http://article.pubs.nrc-cnrc.gc.ca/RPAS/RPViewDoc?_handler_=HandleInitialGet\&calyLang=eng\&journal=cjz\&volume=72\&articleFile=z94-035.pdf},
	author = {Clifford, Hugh F. and Wiley, Gillian M. and Casey, Richard J.}
}
