Sokal, Robert R. <br/><br/>
Biometry :  the principles and practice of statistics in biological research / 
Robert R. Sokal and F. James Rohlf. 
 - 2nd ed. 
 - San Francisco :  W. H. Freeman,  1981. 
 - xviii, 859 p. :  ill. ;  24 cm. 
<br/><br/> Includes index. 
<br/><br/>Includes bibliographical references. 
<br/><br/><label>ISBN: </label>0716712547 (hbk. ) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Biometry.