"Sen, Samrendra Nath" <br/><br/>
Vigyan ka ithihas 

 - Patna  Bihar Hindi Granth Academy  1972 
 - 528p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Science-History
<br/><br/><label>Dewey Class. No.: </label>GLH 509.2