@article {29578,
	title = {Chemosystematic studies in the genus Abies.I. Leaf and twig analysis of alpine and balsam firs},
	volume = {52},
	year = {1974},
	pages = {477-487},
	publisher = {Canadian Journal of Botany},
	url = {http://article.pubs.nrc-cnrc.gc.ca/RPAS/RPViewDoc?_handler_=HandleInitialGet\&calyLang=eng\&journal=cjb\&volume=52\&articleFile=b74-063.pdf},
	author = {Hunt, R. S. and von Rudloff, E.}
}
