Westwater, F.L. <br/><br/>
Introduction to servomechanics /(by) F.L. Westwater, W.A. Waddell.   
by F.L. Westwater, W.A. Waddell. 
 -  Eng. Univ. Press  1961 
<br/><br/><label>Dewey Class. No.: </label>629.832  / N611