Donovan S K Ed. <br/><br/>
Mass extinctions: Processes and evidence 

 -  1989 
 - p.  cm. 
<br/><br/><label>Standard No.: </label>48114 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Subjects--Topical Terms: </label><br/> Palaeontology<br/>Geology
<br/><br/><label>Dewey Class. No.: </label>H6, M9