000 00282nam a22001217a 4500
040 _cSY
082 _a363 PAU 1990 C093
100 _aPaul R. Portney
245 _aPublic Policies for Environment Protection
260 _aUSA
_bPaul R. Portney
_c1990
300 _a308p
942 _cEK
999 _c11220
_d11220