000 00388nam a2200157Ia 4500
008 170101s1980 xx 000 0 und d
082 _a574.5 T87I
100 _aTURK, Jonathan
245 0 _aIntroduction to environmental studies
260 _bPhiladelphia
_c1980
300 _a331p
650 _aECOLOGY
653 _aECOLOGY
653 _aENVIRONMENTAL PROTECTION
942 _2ddc
_cB
999 _c86845
_d86845