Morrow, R.L. <br/><br/>
Motion economy and work measurement 
by R.L. Morrow 
 - 2nd ed. 
 - New York  Ronald  1957 
 - 468p. 
<br/><br/> 2nd ed. of Time study and motion economy, pub. 1946 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Time and Motion Study
<br/><br/><label>Dewey Class. No.: </label>T83 M834/57