Ayala, Francisco José <br/><br/>
Genetic variation and evolution 
Francisco J. Ayola. 
 - Burlington, N. C.  Carolina Biological Supply Co.  c1983. 
 - 16 p.  ill.  25 cm. 
 - Carolina biology readers .
<br/><br/> Cover title.  Series editor: J. J. Head. 
<br/><br/>Bibliography: p. 16. 
<br/><br/><label>ISBN: </label>0892783265 
<br/><br/><label>LCCN: </label>81067985  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Genetics<br/>Evolution