Science glossary   I Botany, Chemistry, geography, geology, Mathematics, Physics, Zoology 

 - Delhi  Central Hindi Directorate  1964 
 - xxviii, 534  Hb 
<br/><br/><label>Subjects--Facted Index Terms: </label><br/>
<br/><br/><label>Dewey Class. No.: </label>491.4332