Blalock, Grover C. <br/><br/>
Principles of electrical engineering / 
by  Grover C. Blalock 
 - 3rd ed. 
 -  McGraw-Hill,   1950. 
<br/><br/><label>Subjects--Index Terms: </label>Electrical Engineering 
<br/><br/><label>Dewey Class. No.: </label>621.3