Kier Porter M <br/><br/>
Upper miocene echinoids from the yorktown formation of virginia and their environmental significance 

 -  1972 
<br/><br/><label>Standard No.: </label>53736 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Subjects--Topical Terms: </label><br/> Echinodermata<br/>Zoology
<br/><br/><label>Dewey Class. No.: </label>K54:55.7317.A4, L2