E. Bass, M. Berkovich, A. Savastyanov <br/><br/>
Relay probtection electrician / 
E. Bass, M. Berkovich, A. Savastyanov 
 -  Mir Publications Moscow 
 - 435 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Physics
<br/><br/><label>Dewey Class. No.: </label>621.317  / BASR