Singer, Ronald. <br/><br/>
Encyclopedia of Paleontology /  
edited by Ronald Singer. 
 - 1st ed. /  
 - London :   Fitzroy Dearborn Publishers ,   1999 
 - 687p :  
<br/><br/><label>ISBN: </label>1-884964-96-6 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Geology
<br/><br/><label>Dewey Class. No.: </label>H6k  / N9.1