Mass extinctions :   processes and evidence / 
edited by Stephen K. Donovan. 
 - London :  Belhaven Press,  c1989. 
 - xiv, 266 pages :  illustrations ;  23 cm. 
<br/><br/>Includes bibliographical references and index. 
<br/><br/><label>ISBN: </label>1852930594 1852932171 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mass extinctions.<br/>Extinction (Biology).<br/>Paleontology.
<br/><br/><label>Dewey Class. No.: </label>576.84 MAS