Gupta, J. B. <br/><br/>
Electrical machines-1 :  D. C. machines / 
J. B. Gupta. 
 - 6th ed. 
 - Ludhiana :  Katson,  c1984. 
 - 230p. :  ill. ;  24 cm. 
<br/><br/>
<br/><br/><br/>english 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Machinery
<br/><br/><label>Dewey Class. No.: </label>621.31042/GUE