Barnes, Ralph Mosser, 1900-  Barnes, Ralph Mosser, 1900- <br/><br/>
Motion and time study :  design and measurement of work / 
Ralph M. Barnes. 
 - 7th ed. 
 - New York :  Wiley,  c1980. 
<br/><br/> Includes index. 
<br/><br/>Bibliography: p. [661]-678. 
<br/><br/><label>ISBN: </label>  
<br/><br/><label>LCCN: </label>80000173 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Motion study.<br/>Time study.
<br/><br/><label>LC Class. No.: </label>T60.4  / .B39 1980 
<br/><br/><label>Dewey Class. No.: </label>658.5/42