Chaloner W G Ed. <br/><br/>
Evolution and environment in the late silurian and early devonian 
Chaloner W G Ed.; Lawson J D Ed. 
 - London  Royal Society          1985 
 - 342p.  cm. 
<br/><br/><label>Standard No.: </label>52375 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Subjects--Topical Terms: </label><br/> Silurian<br/>Geology
<br/><br/><label>Dewey Class. No.: </label>H523p1,N84, M5