000 00274nam a2200121Ia 4500
008 160710s1972 xx 000 0 und d
082 _a515 CHA
100 _aCHAPMAN
245 _aELEMENTARY WORKSHOP CALCULATION
260 _bELBS
_c1972
300 _a259
942 _2ddc
_cB
999 _c48898
_d48898