00454nam a2200157Ia 450000500170000000800410001704000190005804100120007708200150008924500940010426000420019830000140024065000180025465100140027285000100028620230601112839.0131103s9999 xx 000 0 und d aLoreto College aEnglish a333.7bSIM 4aThe State of humanityb (Part V)Pollution and the Environment cedited by Julian L. Simon aCambridgebBlackwell Publishersc1995 a444-660p  aHuman ecology aPollution aLCLIB