Nema, H V & Singh, M.K <br/><br/>
Textbook of ophthalmology 

 - 2nd ed 
 - Jaypee, New Delhi  1991 
 - 333 
<br/><br/><label>ISBN: </label>81-7179-242-1 
<br/><br/><label>Dewey Class. No.: </label>617.7 Nem/Sin