Cochran William G <br/><br/>
Planning and analysis of observationals studies 
by Cochran William G 
 - New York   John Wiley & Sons     1983 
 - xiii,145p.  cm. 
 - Wiley series in probability and mathematical statistics .
<br/><br/><label>Standard No.: </label>67132 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Experimental design
<br/><br/><label>Dewey Class. No.: </label>B288, M3;2