JOHNSON, JAMES E. <br/><br/>
ELECTROHYDRAULIC SERVO SYSTEMS 

 - 2ND ED. 
 - CLEVELAND Estados Unidos  HYDRAULICS & PNEUMATICS  1984 
 - 183 
<br/><br/><label>LCCN: </label>11253 
<br/><br/><label>Dewey Class. No.: </label>629.832