Surendra Prasad Rai <br/><br/>
Sarvekshan Yantra Praudhyogikiyam 

 -  Vigyan Lok  2000 
 -  248 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Samanya Sasthram
<br/><br/><label>Dewey Class. No.: </label>HS VIS