Barnes, Ralph M. <br/><br/>
Motion and time study / 
Ralph M. Barnes 
 - 3rd. ed. 
 - New York :  Wiley ,  1953 
 - xii, 559p. :  ill. ;  23 cm. 
<br/><br/>Includes bibliographical references and index. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Business administration<br/>Time study<br/>Motion study
<br/><br/><label>Dewey Class. No.: </label>658  / BAR-4