Johnson, Clifford <br/><br/>
Introduction to natural selection / 
Clifford Johnson 
 - London :  University Park press,  c1976 
 - 213 p :  ill ;  23 cm. 
<br/><br/> Includes index 
<br/><br/><label>ISBN: </label> USD 12.50 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Natural selection<br/>Evolution (Biology)
<br/><br/><label>Dewey Class. No.: </label>575.0162