000 00354 a2200145 4500
080 _a658.542
_bB 261 M
245 1 _aMotion and time study
_cby R.M. Barnes
250 _a4th edn.
260 _aNew York
_bJohn Wiley & Sons Inc.
_c1961
650 _aMotion Study
650 _aTime Study
100 1 _aBarnes, R.M.
_d
300 _a665 p.
901 _a84035
999 _c51590
_d51590