All India seminar on formation of national grid - technical and commercial aspects, statutory authority and regulations required to enforce grid discipline held at Hyderabad from 8 and 9 July 1992 

 -  Institution of Engineers (I), Hyderabad, 1992 
 - 15+I-1-1IV-19-4p 
<br/><br/><label>Universal Decimal Class. No.: </label>621.3.016.2  / INS.92;2