Marchand, Erich W. <br/><br/>
Gradient index optics / 
Erich W. Marchand 
 - New York :  Academic Press,  1978 
 - x, 166 p. :  ill. ;  24 cm 
<br/><br/> Includes index 
<br/><br/>Bibliography: p. 161-163 
<br/><br/><label>ISBN: </label>0124707505 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Lenses--Design and construction<br/>Optics, Geometrical