Sen, Surendra Nath <br/><br/>
Eighteen fifty-seven 

 - New Delhi  Ministry of Information & Broadcasting  1957 
 - xxv,466p.  25cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Energy consuption
<br/><br/><label>LC Class. No.: </label>DS478.S4