00358nam a2200121Ia 4500008004100000082001500041100002500056245004700081260004300128300000900171630002800180650002800208211109s9999||||xx |||||||||||||| ||und||  a577bSOU-E  aSouthwick, Charles H 0aEcology and the Quality of Our Environment  bD.Van Nostrand CompanyaNew Yorkc1976  a426p  xPost Graduate Reference  aSciencevEcologyZoology