00410nam a2200169Ia 4500003000400000005001700004008004100021020001400062040000700076041000800083082001500091100004200106245002800148260004100176300001600217365000700233OSt20221112115648.0210719s1971    xx            000 0 und d  a030890659  cAL  aeng  a333.7 CROE  aCROCKER (Thomas D) & ROGERS III (A J)  aEnvironmental economics  aIllinoisbThe Dryden Press Incc1971  avii,150bPB  cRs