_Sampling Techniques (3rd ed. ) / Cochran William G.  

 - New York : John Wiley & Sons, 1977  
 - xvi,422 p.  
<br/><br/> Includes index  
<br/><br/><label>ISBN: </label>47116240 
<br/><br/><label>Subjects--Topical Terms: </label><br/>_Sampling statistics 
<br/><br/><label>LC Class. No.: </label>QA 276.6 .C6 2011