COCHRAN, William. G. <br/><br/>
Experimental Designs 

 - 2nd Ed 
 - New York  John wiley & sons  1957 
 - xiv, 618p. 
<br/><br/><label>ISBN: </label>471-16204-3 
<br/><br/><label>Dewey Class. No.: </label>630.15