Leonhard W <br/><br/>
Conrol of electrical drives. 
Leonhard W 
 -  1985 
<br/><br/><label>Standard No.: </label>20277 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Dewey Class. No.: </label>D661,8:845, M5