Slawinski Michael A Et Al <br/><br/>
Wavefronts and Rays As Characteristics and Asymptotics 2nd Edition 

 -  World Scientific  WSPC  2014 
<br/><br/><label>ISBN: </label>9789814651547 
<br/><br/><label>Source: </label>EBOOK 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Physics