@book{6724,
	author = {Langer, R. H. M.},
	title = {Pastures, their ecology and management /},
	publisher = {Oxford University Press,},
	year = {1990.},
	address = {Auckland ;},
	note = {Rev. ed. of: Pastures and pasture plants.},
	url = {http://www.loc.gov/catdir/enhancements/fy0606/90229118-d.html}
}