Mardia, K. V. <br/><br/>
Statistics of directional data / 

 - London:  Academic Press,  1972 
 - xx, 357p. Bibl. Index. 
 - Probability and Mathematical Statistics: A Series of Monographs and Textbooks  13 .
<br/><br/><label>ISBN: </label>978-0-12-471150-1 
<br/><br/><label>Dewey Class. No.: </label>519.50182  / M322.SD