000 00284nam a2200121Ia 4500
008 151213s9999 xx 000 0 und d
245 _aEarth & Life Science
260 _aNew Yeork
_bMc Graw Hill
_c2001
300 _a2063 p.
650 _aScience
650 _aScience
999 _c1515
_d1515