@article {26813,
	title = {Factors affecting branch infection in aspen},
	volume = {39},
	year = {1961},
	pages = {799-816},
	publisher = {Canadian Journal of Botany},
	url = {http://article.pubs.nrc-cnrc.gc.ca/RPAS/RPViewDoc?_handler_=HandleInitialGet\&calyLang=eng\&journal=cjb\&volume=39\&articleFile=b61-068.pdf},
	author = {Etheridge, D. E.}
}
