Chattwal,G.R. <br/><br/>
Encyclopedia of scientific and technical terms : vol.3 

 - New Delhi  Anmol Publications  1987 
 - iv,295p.  HB  22cm. 
<br/><br/><label>ISBN: </label>8170410479 
<br/><br/><label>Dewey Class. No.: </label>503  / .21ENC