Haila, Yrjo Humanity and nature : ecology, science and society / Yrjo Haila and Richard Levins - London : Pluto, c1992. - xi, 270 p. ; ill. ; 22 cm. ISBN: 0745306691 LCCN: Subjects--Topical Terms: Ecology theoryEcology LC Class. No.: OH541 / .H233 1992 Dewey Class. No.: 574.501 / H151h