Gould, Stephen Jay   <br/><br/>
Punctuated equilibrium/ 
Stephen Jay Gould. 
 - Cambridge, Mass.:   Belknap Press of Harvard University Press,   c2007. 
 - viii, 396 pages:   illustrations;  23 cm. 
<br/><br/> Includes bibliographical references and index. 
<br/><br/><label>ISBN: </label>978-0-674-02444-1 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Punctuated equilibrium (Evolution)<br/>Evolution (Biology) 
<br/><br/><label>Dewey Class. No.: </label>DC 576.82  / G73p