000 00289nam a2200097 4500
245 _aEconomics of environmental improvement
_cby Donald T. Savage ...[et al.]
100 _aSavage, Donald T.
260 _aBoston
_bHoughton Miffin
_cc1974
300 _aix, 210p.; 24cm.
082 _a338.476285
_bECO
999 _c22385
_d22385