000 00272cam a22001097a 4500
008 180718b1975 xxu||||| |||| 00| 0 eng d
082 _aO91 In8e
245 _aEnvironment and development
260 _aWashington, D.C.
_bIBRD
_c1975
300 _a33p.
650 _aEnvironment
999 _c224031
_d224031