@book{94721,
	author = {International Symposium on Nitrogen Fixation, 6th, Corvallis, Aug.4-10, 1985.},
	title = {Nitrogen fixation research progress proceedings/},
	publisher = {Martinus Nijhoff},
	year = {1985},
	series = {Current Plant Science and Biotechnology in Agriculture},
	address = {Dordecht}
}