TY - BOOK AU - Tisdell,C.A. TI - Economics of environmental conservation /(Acc: D 1069) SN - 9781847202567 (pbk.) U1 - 333.72 TIS 22 PY - 2007/// CY - Cheltenham PB - Edward Elgar KW - Environmental protection KW - Environmental economics KW - Sustainable development ER -