Welford, W.T. <br/><br/>
Optics  [Books]. 
W.T. Welford F.R.S. 
 - 3rd.ed. 
 - Oxford  Oxford University Press  1988 
 - Pages: 155. 
<br/><br/><label>ISBN: </label>0198518749  0.00 
<br/><br/><label>Subjects--Personal Names: </label><br/>Optics.
<br/><br/><label>Dewey Class. No.: </label>QC/355.2  / WEL