WELFORD, W.T. <br/><br/>
Optics 
/ [by] W.T.Welford 
 - Oxford  Oxford University press  1976 
 - viii, 152 p.- 
 - Oxford physics series .
<br/><br/> Includes appendixes, references & index.<br/> 
<br/><br/><label>ISBN: </label>198518315 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Optics<br/>Light
<br/><br/><label>Dewey Class. No.: </label>535  / WEL