MERRIGAN, John <br/><br/>
The sixth day: a guide to evolution sex and reproduction / 
[by] John Merrigan  
 - London  Darton, Longman & Todd  1968 
 - 122 p. 
<br/><br/> Includes appendixes.  
<br/><br/><label>Dewey Class. No.: </label>574  / MER