000 00288nam a2200109Ia 4500
008 240531s9999 xx 000 0 und d
082 _aR658 542BAR
100 _aBarnes, Ralph M.
245 0 _aMotion and time study.
260 _aLondon
_b John Wiley and sons
_cINC. 1954.
942 _cAREF
999 _c330220
_d330220