Practical Statistics for Environmental and Biological Scientists/ 
Townend,John 
 - 1 
 - USA:  John wiley & sons,  2002-03-12. 
 - 288 
<br/><br/><label>ISBN: </label>0471496650 
<br/><br/><label>Dewey Class. No.: </label>519.5  / TOW/P