Niebel, Benjamin W. <br/><br/>
Motion and time study / 
by Benjamin W. Niebel. 
 - 9th ed. 
 - Homewood, Ill. :  Irwin,  1993. 
 - xiv, 850, I-16 p. : ill. 
<br/><br/> Includes bibliographical references and index. 
<br/><br/><label>ISBN: </label>0256092486 
<br/><br/><label>LCCN: </label>92-15051 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Motion study.<br/>Time study.