Warrington, Albert Russell van Cortlandt <br/><br/>
Protective relays :   their theory and practice.   Volume 1 /  
A. R. van C. Warrington. 
 - 2nd 
 - London:  Chapman and Hall,  1968 
 - 484 p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>PROTECTION MACHINES<br/>PROTECTIVE RELAYS<br/>OVERCURRENT PROTECTION<br/>SWITCHED<br/>PILOT RELAYING<br/>PROTECCION ELECTRICA
<br/><br/><label>Universal Decimal Class. No.: </label>621.316.925 W258