Sokal, Robert R. <br/><br/>
Biometry  the principles and practice of statistics in biological  research 

 - 2nd  
 - San Francisco  W.H. Freeman  1981 
 - xviii, 859 
<br/><br/><label>ISBN: </label>0716712547 
<br/><br/><label>Universal Decimal Class. No.: </label>57.087  / S54