@book{67844,
	author = {Gadgil, Ruth L.},
	title = {Biological nitrogen fixation in forestry - research and practice in Australia and New Zealand},
	note = {Sobretiro de : Gordon, J. C. and. C. T. Wheeler, ed. Biological nitrogen fixation in forest ecosystems : foundations and application. -- the Hague : Martinus Nijhoff, 1983. p. 317-332}
}