000 00322nam a2200133Ia 4500
008 220721s1954 xx 000 0 und d
041 _aeng
082 _a590.7
100 _aClarke, George L.
245 _aElements of Ecology
260 _aNew York
_bJohn Wiley and Sons
_c1954
300 _a534P.
999 _c76536
_d76536