Prabhakar, V. K Encyclopaedia of biodiversity, Vol. 2 - New Delhi Anmol Pub. 1999 - viii,pp. 279 - 524 Illustration ISBN: 8126103620 Subjects--Topical Terms: BIOLOGICAL RESOURCESBiosphereECONOMICSNATURAL RESOURCESWILDLIFE Dewey Class. No.: 333.9503 / ENC