Optics / 
W.T.Welford. 
 - 2d ed. 
 - Oxford :  Oxford University Press,   1981. 
 - 150p. :   ill. ;   22cm. 
 - Oxford physics series ;  14. .
<br/><br/>Includes bibliography and index. 
<br/><br/><label>ISBN: </label>0198518364 0198518471  pbk. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Optics.