Handbook of switchgears / 
BHEL 
 - New York :  McGraw-Hill,  2007 
 - 1 v. (various pagings) :  ill. ;  25 cm. 
<br/><br/><label>ISBN: </label>0071476962 9780071476966 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Electric switchgear--Handbooks, manuals, etc