Cochran, William Gemmell,  1909- <br/><br/>
Sampling techniques / 
by William G Cochran. 
 - 2nd ed. 
 - New York :  Wiley,  c1963. 
 - xvii, 413 p. :  illus. ;  24 cm. 
<br/><br/>Includes bibliographical references and index. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Sampling (Statistics)
<br/><br/><label>Dewey Class. No.: </label>519.52  / COS 1963