000 00249nam a2200109Ia 4500
008 160710s1949 xx 000 0 und d
100 _aBARNUS,R.M
245 _aMOTION AND TIME STUDY
260 _bJOHN WILEY
_c1949
300 _a554
942 _2ddc
_cB
999 _c10811
_d10811