Unger H G <br/><br/>
Planar optical waveguides and fibers 

 -  1977 
 - p.  cm. 
<br/><br/><label>Standard No.: </label>28888 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Dewey Class. No.: </label>C51:8K9, L7