Sylvester, L. Arthur <br/><br/>
The handbook of advanced time- motion study 
by L. Arthur Sylvester 
 - New York  Funk & Wagnalls  1950 
 - 273p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Time- Motion study
<br/><br/><label>Dewey Class. No.: </label>T83 Sy57