Report of study group 

 - Delhi  Manager of Publication India         1973 
 - 202p.  cm. 
<br/><br/><label>Source: </label> General Book 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Electrical
<br/><br/><label>Dewey Class. No.: </label>X 9(D66).2.N71t, L3.1/GD