Porter, Ray <br/><br/>
The Hutchinson Dictionary of Scientific Biography (Abbe to Leavitt) Vol - I & II / 
Porter, Ray 
 - 3rd Ed. 
 - 598p. 
<br/><br/><label>ISBN: </label>1859863043 
<br/><br/><label>Dewey Class. No.: </label>509.22