Johnson, Clifford  . <br/><br/>
Introduction to natural selection /  
by Clifford  Johnson. 
 - London :   University Park Press ,   1976. 
 - vii, 213p. ;   24cm. 
<br/><br/>Includes index 
<br/><br/><label>ISBN: </label>0839109369  USD 12.50 
<br/><br/><label>Subjects--Index Terms: </label>NATURAL SELECTION 
<br/><br/><label>Dewey Class. No.: </label>576.5  / JOH/I