Snedecor, George Waddel. <br/><br/>
Statistical methods  
/ by George W. Snedecor and William G. Cochran. 
 - 6th ed. 
 - Ames, Iowa, U.S.A.:  The Iowa State University Press,  1967. 
 - xiv, 593 p. :  illus. ;  24 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Statistics.
<br/><br/><label>Dewey Class. No.: </label>519 SNE  / 398