Optoelectronics  :Current trends 
edited by A.Selvarajan and Krishna Shenai 
 - NewDelhi  Tata mcGraw-Hill   1996 
<br/><br/>photorefractive crystals--electro optical  systems 
<br/><br/><label>ISBN: </label>0074624555 
<br/><br/><label>Dewey Class. No.: </label>621.381045