Johnson Eric R. <br/><br/>
Servomechanisms.(1963). 

 - 1st Ed. 
 -  Prabhat Book House.  1965 
 - 336p.  24 cm. 
<br/><br/><br/>Text in English 
<br/><br/><label>Subjects--Facted Index Terms: </label><br/>MECH
<br/><br/><label>Index Terms--Genre/Form: </label><br/>M-03
<br/><br/><label>Dewey Class. No.: </label>24A-211  / JOH