Cochran, William Gemmell, <br/><br/>
Planning and analysis of observational studies / 
William G. Cochran ; edited by Lincoln E. Moses and Frederick Mosteller. 
 - New York :  Wiley,  1983. 
 - xiii, 145 p. ;  24 cm. 
<br/><br/><label>ISBN: </label>0471887196 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Experimental design.<br/>Analysis of variance.
<br/><br/><label>Dewey Class. No.: </label>001.42  / COC N83P