Batschelet, Edward,  1914- <br/><br/>
Circular statistics in biology / 
Edward Batschelet 
 - London :  Academic Press,  1981 
 - 371p. :  ill. ;  24 cm. 
 - Mathematics in biology .
<br/><br/><label>ISBN: </label>0120810506 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Sampling (Statistics)<br/>Biometry<br/>Distribution (Probability theory)