@article {26864,
	title = {Studies of aerobic non-symbiotic nitrogen-fixing bacteria},
	volume = {7},
	year = {1961},
	pages = {7-13},
	publisher = {Canadian Journal of Microbiology},
	url = {http://article.pubs.nrc-cnrc.gc.ca/RPAS/RPViewDoc?_handler_=HandleInitialGet\&calyLang=eng\&journal=cjm\&volume=7\&articleFile=m61-002.pdf},
	author = {Paul, E. A. and Newton, J. D.}
}
