000 00286nam a2200121Ia 4500
001 2415
008 170420s9999 xx 000 0 und d
020 _a9780153609930
100 1 _aMichael J. Bell
245 1 0 _aEarth Sicence HSP Science- Portada Leon
260 _bHarcourt
942 _cAP
999 _c9541
_d9541