Ridgman, W. J. <br/><br/>
Experimentation in biology :  an introduction to design and analysis / 

 - New York :  Wiley,  1975. 
 - ix, 233 p. :  ill. ;  21 cm. 
 - Tertiary level biology .
<br/><br/> "A Halsted Press book."  Includes index. 
<br/><br/><label>ISBN: </label>0470152168 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Biometry.
<br/><br/><label>Dewey Class. No.: </label>574 WIL 1975 A025 Or.