00000nam 2200000 4500 INLIS000000000002503 20220716120415.0 220716||||||||| | ||| |||| || 0010-072200000002503 333.7 333.7 PEA E Pearec, David W. Economics of natural resources and the environment Hagvestar Wheatshiat: simon and scheesten int. group, 1990 xiii, 378 hlm : ilus.; 24 cm. Environmental Poliey