Conservation and economic evaluation of biodiversity : papers presented at the Indo-British Workshop held at the Tropical Botanical Garden and Research Institute, Thiruvananthapuram, India in February 1996 / edited by P. Pushpangadan, K. Ravi and V. Santosh - New Delhi Oxford and IBH 1997 - 2v. : 316p. : 334p. xxii, : xx,

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Biological diversity conservation

333.9516 PUS