Bhattacharyya, Bikas <br/><br/>
Textbook of visual science and clinical optometry 

 - Jaypee  Brothers Medical Pub ., New Delhi  2009 
 - 228 
<br/><br/><label>ISBN: </label>978-81-8448-599-8 
<br/><br/><label>Dewey Class. No.: </label>617.7 Bha