000 00281nam a2200121Ia 4500
001 2313
008 170420s9999 xx 000 0 und d
020 _a9780022774363
100 1 _aRichard Moyer
245 1 0 _aScience national Geographic Society
260 _bMcGrawhill
942 _cAP
999 _c9439
_d9439