000 00334nam a2200145Ia 4500
008 230627s9999 xx 000 0 und d
040 _aNORSU-Sia
_cNORSU-Sia
082 _a511 K46
100 _aKerr, Donald R. Jr.
245 0 _aArithmetic
260 _bMcGraw-Hill Book Company
_c1977
300 _a725
942 _cBK
999 _c570
_d570