000 00323nam a2200133Ia 4500
008 140205s9999 xx 000 0 und d
082 _a574.5/CLA
100 _aClarke, George L
245 _aElements of ecology
260 _bJohn Wiley & Sons, Inc.
_aNew York
_c1954
300 _a560
650 _aEcology
942 _2ddc
_cBK
999 _c188
_d188