Koenig, Herman E.  1924- <br/><br/>
Electromechanical system theory / 
Herman E. Koenig and William A.Blackwell. 
 - New York :  McGraw-Hill,  1961. 
 - 504 p. :  illus. ;  24 cm. 
 - McGraw-Hill electrical and electronic engineering series .
<br/><br/> Open access. 
<br/><br/><label>LCCN: </label>6053220  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Automatic control.<br/>Electromechanical devices.<br/>Graphic methods.