Larsen, Igan <br/><br/>
Avishkar ka ithihas, Part3 (h) 

 -  Thomson Press Ltd., New Delhi  1972 
 - 156 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Pure sciences - Historical & geographical treatment
<br/><br/><label>Dewey Class. No.: </label>H 509  LAR-A.3