000 00321nam a2200133Ia 4500
008 090123s9999 xx 000 0 und d
082 _b22405
245 _aI A S PRELIMINARY CHEMISTRY
250 _a0
300 _a252
630 _aI A S PRELIMINARY CHEMISTRY
730 _aI A S PRELIMINARY CHEMISTRY
942 _cBOOK
999 _c60477
_d60477