McGowran, Brian  . <br/><br/>
Biostratigraphy: microfossils and geological time /  
by Brian McGowran. 
 - Cambridge :   Cambridge University Press ,   2005 
 - xx, 459p ;  
<br/><br/><label>ISBN: </label>0-521-83750-2 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Microfossils- Biostratigraphy
<br/><br/><label>Dewey Class. No.: </label>H6  / P5