Cochran, William G.  1909-1980. <br/><br/>
Sampling techniques / 
William G. Cochran. 
 - 3d ed. 
 - New York :  Wiley,  c1977. 
 - xvi, 428 p.;  24 cm. 
<br/><br/> Includes indexes. 
<br/><br/>Bibliography p. 400-411. 
<br/><br/><label>ISBN: </label>
<br/><br/><label>Subjects--Topical Terms: </label><br/>Sampling (Statistics)
<br/><br/><label>LC Class. No.: </label>QA276.6   / .W55 1977