Balamati Choudhury, Rakesh Mohan Jha <br/><br/>
Refined Ray Tracing inside Single- and Double-Curvatured Concave Surfaces 

 -  Springer  Springer  2016 
<br/><br/><label>ISBN: </label>9789812878083 
<br/><br/><label>Source: </label>EBOOK