Grigsby, L.L., Ed. <br/><br/>
Electric Power Engineering Handbook. 

 - USA  CRC Press  2001 
 - xx+1.1-15.57+I.43 
 -  The Electrical Handbook Series. Ed.by Dorf, R.C. .
<br/><br/><label>ISBN: </label>0-8493-8578-4 
<br/><br/><label>Universal Decimal Class. No.: </label>621.31(021)  / GRI.01