000 00310nam a2200133Ia 4500
008 230108s9999 xx 000 0 und d
100 _a"toWNSEND, CR. ETC."
245 0 _aEssentials of Ecology
260 _bBLACKWELL
260 _c2003
365 _b0.00
650 _aEnvironmental Science
942 _cBK
999 _c254714
_d254714