Wignall, Paul B., <br/><br/>
Worst of times: how life on earth survived eighty million years of extinctions 

 - Princeton  Princeton University Press  2016 
 - 199 p,:  ill.,;  24 cm. 
<br/><br/> Includes bibliographical references and index 
<br/><br/><label>ISBN: </label>9780691142098 
<br/><br/><label>Dewey Class. No.: </label>576.84 WIG