Kormondy, Edward J. Concepts of ecology / Edward J. Kormondy - 3rd ed. - New Delhi : Prentice-Hall of India, c1984. - xviii, 298 p. ; ill., figs., tabs. ; 22 cm. ISBN: 8120304586 LCCN: Subjects--Topical Terms: Ecology LC Class. No.: QH541 / .K59 1984 Dewey Class. No.: 574.5 / K84c