Uhlmarnn , Erich <br/><br/>
Power transmission by direct current 

 - 621.31912 Uh6,p 
 - Berlin   Spirnger -Verlag  2012 
 - ix,389p. p. 
<br/><br/><label>ISBN: </label>9790000000000 
<br/><br/><label>Subjects--Topical Terms: </label><br/> Electric - transmission