000 00264nam a2200121Ia 4500
001 2360
008 170420s9999 xx 000 0 und d
020 _a9780022761363
100 1 _aMary Atwater
245 1 0 _aEarth's Ecosystems
260 _bMcGrawhill
942 _cAP
999 _c9486
_d9486