Lloyd, J.R. Man and the ecosysytem/ [text] by J.R. Lloyd - London: MacMillan, 1980 - viii, 152p.: ill., - Foundations pf biology . - Kramer, L.M.J. series editor . Includes bibliographical references and index ISBN: 0333260988 Subjects--Topical Terms: Ecology LC Class. No.: QH541 / LLO