Rao, T.S.M. <br/><br/>
Power system protection static relays 

 - New Delhi  Tata McGraw Hill Pub. Co. Ltd.  1979 
 - xii,705p.  23cm. 
<br/><br/><label>Subjects--Uniform Titles: </label><br/>Power system
<br/><br/><label>Dewey Class. No.: </label>621.317  / R19P