000 00313nam a2200121Ia 4500
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008 251006s9999 xx 000 0 und d
100 _aowen,denis frank
245 0 _a.what is ecology? owen,denis frank
260 _a1st.ed. | .London Oxford University
260 _c1974
942 _cBOK
999 _c7806
_d7806