Koenig, Herman E <br/><br/>
Electromechanical system theory 

 - N.Y.  McGraw-hill book co.  1961 
 - 503p 
 -  McGraw-hill electrical and electronic engineering series  Terman,Frederick Emmons .
<br/><br/><label>Universal Decimal Class. No.: </label>621.3  / : 621 KOE.61