000			00300nam a2200121Ia 4500
100			_aBarnes , Ralph M.
250			_a7th ed.
942			_cBK
245			_aMotion and time study design and measurement of work
260			_aJohn wiley & sons, New York
082			_a658.542 Bar
300			_axi , 689pp
999			_c61761 _d61761