000 00259nam a2200109Ia 4500
008 160710s1950 xx 000 0 und d
100 _aCORROLL,PLIL
245 _aHOW TO CHART TIME STUDY DATA
260 _bMCGRAW-HILL
_c1950
300 _a323
942 _2ddc
_cB
999 _c12781
_d12781