Primary productivity of grass ecosystems of the tropics and sub-tropics / edited by Stephen P. Long, Michael B. Jones and Michael J. Roberts - London : Chapman & Hall, 1992 - xvi, 267 p. : ill., maps ; 24 cm. Includes bibliographical references and index ISBN: 0412410206 Subjects--Topical Terms: Grasslands--TropicsGrassland ecology--TropicsPrimary productivity (Biology)--Tropics Dewey Class. No.: 581.526430913