Hodgson, J. The ecology and management of grazing systems / ed. by J. Hodgson and Q. W. Illius - Wallingford, Oxo : CABI, 1996 - 466 p. : ilus. ; gráfs. ; gráfs. - . LCCN: 165804 Subjects--Topical Terms: Forrajes--Producción I. Illius, A. W. II. t.Pastizales--Manejo Dewey Class. No.: 633.2 H633