Mardia, K. V. <br/><br/>
Statistics of directional data / 
by K. V. Mardia 
 - London :  Academic Press,  1972 
 - xx, 357 p. :  ill. ;  24 cm. 
<br/><br/>Bibliography: p. 331-339. 
<br/><br/><label>ISBN: </label>0124711502 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mathematical statistics<br/>Distribution (Probability theory)<br/>Sampling (Statistics)