Barnes, Ralph Mosser,    1900- <br/><br/>
Motion and time study. 

 - 4th ed. 
 - New York :    Wiley ,    1958, repr. 1962. 
 - xii, 665 p. :    ill. ;    24 cm. 
<br/><br/>Includes bibliography. 
<br/><br/><label>Subjects--Topical Terms: </label><br/> Motion study.<br/> Time study.
<br/><br/><label>Dewey Class. No.: </label>658.542 BAR