Marchand Erich W <br/><br/>
Gradient index optics 
Marchand Erich W 
 - New York       Academic Press         1978 
 - x, 166p.  cm. 
<br/><br/><label>Standard No.: </label>26895 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Optics
<br/><br/><label>Dewey Class. No.: </label>C5, L81