Breymeyer, A. I. Grasslands, systems analysis and man / by A. I. Breymeyer and G. M. Van Dyne - London : Cambridge University, 1980 - 950 p. : ilus. ; gráfs. - . LCCN: 165789 Subjects--Topical Terms: Pastizales--Ecología Pastos I. Van Dyne, George M. II. t. Dewey Class. No.: 633.2 B7