Guidance note on protection against overcurrent 
The institution of electricals engineers 
 - 16th 
 - london  The institution of electricals engineers  1992 
 - vii,111;87p.  pbk 
<br/><br/><label>ISBN: </label>0852965400 
<br/><br/><label>LC Class. No.: </label>TK7872.G8 1992