Cochran, William G. <br/><br/>
Sampling techniques  / 

 - 3rd 
 - New York:  John Wiley,  2000 
 - xvi, 428p. Index. 
 - Wiley series in Probability and Mathematical Statistics-Applied .
<br/><br/><label>ISBN: </label>047116240X 
<br/><br/><label>Dewey Class. No.: </label>519.52  / C663.ST