DasGupta, Surendra Nath, <br/><br/>
Natural Science of the Ancient Hindus  Textual Documents 
By Surendranath DasGupta 
 - 3rd ed. 
 - New Delhi  Indian council of philosophical research  2001 
 - pg vi-viii,99:  21cm. 
<br/><br/><label>ISBN: </label>8185636516 
<br/><br/><label>Subjects--Index Terms: </label>Pure science G- Pure science 
<br/><br/><label>Dewey Class. No.: </label>509.34