000 00263nam a2200121Ia 4500
001 1974
008 170420s9999 xx 000 0 und d
020 _a9780021150205
100 1 _aMcGrawhill
245 1 0 _aMy Math 1 volumen 1
260 _bMcGrawhill
942 _cAP
999 _c9100
_d9100