Bergstrom, Stig M. <br/><br/>
Conodonts from the Lexington Limestone (Middle Ordovician) of Kentucky, and its lateral equivalents in Ohio and Indiana. 

 - New York :  Paleontological Research Institution,  1966. 
 - 213 p. :  il. ;  23 cm 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Paleontología<br/>Conodonta
<br/><br/><label>Subjects--Geographic Terms: </label><br/>Indiana<br/>Ohio
<br/><br/><label>Index Terms--Genre/Form: </label><br/>Libro
<br/><br/><label>Universal Decimal Class. No.: </label>56.016.3(113.3)