000 00331nam a2200133Ia 4500
100 _aBarnes, Ralph M
020 _a0-471-08335-6
250 _a7th ed
942 _cBK
245 _aMotion and time study
_bdesign and measurement of work
260 _aJohn Wiley & Sons, New York
_c1980
082 _a658.542 Bar
300 _axi, 689
999 _c15154
_d15154