000 00305nam a2200145Ia 4500
003 IN-KoSCC
008 211107s9999 000 0 eng
082 _a511-9
100 1 _aHall,H.S
245 1 _aSchool arithmetic
500 _aB.T
653 _aMathematics
700 _aStevens,F.H
942 _cBK
999 _c33262
_d33262