Chhatwal, G R  . <br/><br/>
Encyclopedia of scientific and technical terms (vol.2) /  
NULL. 
 - vol.2 /   . 
 - Delhi :   W East Ltd ,   1985. 
 - NULL :   tables ;   NULL .  
<br/><br/>NULL 
<br/><br/><label>ISBN: </label> Rs. 2200.00 (Hb)