Mathews, P. <br/><br/>
Protective current transformers and circuits /  
by P. Mathews 
 - London,  Chapman & Hall,  1955. 
 - 253 p. :   il. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>TRANSFORMADORES<br/>CIRCUITOS
<br/><br/><label>Universal Decimal Class. No.: </label>621.38