Sheley, Roger L. Biology and management of noxious rangeland weeds /ed. by Roger L. Sheley and Janet K. Petroff - Corvallis, OR : Oregon State University Press, 1999. - 438 p. : ilus. ; mapas ISBN: 0870714619 LCCN: 83250 Subjects--Topical Terms: Herbicidas.Pastizales--Malas hierbas--Control.Pastizales--Manejo. Dewey Class. No.: 633.2 / S48