Universal decimal classification. UDC 621.3 :   electrical engineering 

 - 2nd ed. 
 - London :   British Standards Institution,   1964. 
 - 67 páginas 
 - FID. Publicaçao ; no. 179 .
<br/><br/><label>Subjects--Topical Terms: </label><br/>Energia Electrica<br/>Energia
<br/><br/><label>Subjects--Index Terms: </label>Cdu Clasificacion Decimal Universal