Power system protection. Volume 3   (Book) 

 - London  Macdonald  1969 
 - 256 p.  24 cm. 
<br/><br/><label>ISBN: </label>0356026973 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Electric power systems--Protection
<br/><br/><label>Universal Decimal Class. No.: </label>621.316.9 POW  / 10007