Lenz, Alfred C.,  1929- <br/><br/>
Ludlow and Pridoli (Upper Silurian) graptolites from the Arctic Islands, Canada  [electronic resource] / 
Alfred Lenz, Anna Kozłowska-Dawidziuk. 
 - Ottawa :  NRC Research Press,  2004. 
 - 1 online resource 
<br/><br/>Includes bibliographical references (p. 39-42). 
<br/><br/><br/>Abstract in French. 
<br/><br/><label>ISBN: </label>9780660193267 9780660193274 (electronic bk.) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Graptolites--Arctic Archipelago (Nunavut and N.W.T.)<br/>Graptolites--Arctic Regions.<br/>Paleontology--Silurian.<br/>Paleontology--Arctic regions.
<br/><br/><label>LC Class. No.: </label>QE840.5  / L463 2004