Eldredge, Niles <br/><br/>
Time frames    the evolution of punctuated equilibria. 

 - Princeton   Princeton University Press    1989 
 - 240 p. 
<br/><br/><label>ISBN: </label>0-691-02435-9. 
<br/><br/><label>Subjects--Topical Terms: </label><br/> Evolution (Biology)<br/> Evolution--Ancient seas<br/>Biology<br/>Evolution