@book{90475,
	author = {Rouquette, F. M. Jr. and Nelson, L. R. and Symposium Sponsored by Divisions C-3, C-4, and C-6 of The Crop Science Society of America},
	title = {Ecology, production, and management of Lolium for forage in the USA :},
	publisher = {Crop Science Society of America,},
	year = {1997.},
	address = {Madison, Wisconsin :}
}