ISAACS, ALAN, UVAROV, E.B <br/><br/>
PENGUIN DICTIONARY OF SCIENCE (WRITTEN OFF) 

 - LONDON  PB  1986 
 -  468 
<br/><br/> PCV-4319 
<br/><br/><label>ISBN: </label>NCST  97 
<br/><br/><label>Dewey Class. No.: </label>53