ELDREDGE, Niles. <br/><br/>
Macroevolutionary Dynamics : Species, Niches, and Adaptive Peaks. 

 - New York.  McGraw - Hill Publishing Comp  any.       1989 
 - xii, 226p. 
<br/><br/><label>ISBN: </label>0 07 019474 2 
<br/><br/><label>Dewey Class. No.: </label>575