"Sharp, D.W.A" <br/><br/>
The Penguin dictionary of chemistry 

 - London  ,Harmondsworth : Penguin, 1990.,Penguin  1999 
 - 434 
<br/><br/><label>ISBN: </label>9780140511130 
<br/><br/><label>Dewey Class. No.: </label>540.030  / 42