Porter, Ray <br/><br/>
The Hutchinson Dictionary of Scientific Biography Vol - II (Abbe to Leavitt) / 
Porter, Ray 
 - 3rd Ed. 
 - 599 1196p. 
<br/><br/><label>ISBN: </label>1859863043 
<br/><br/><label>Dewey Class. No.: </label>509.22