Evolution and environment in the late Silurian and early Devonian  proceedings 
edited by W.G. Chaloner and J.D. Lawson 
 - London  Royal Society  1985 
 - 342p.  30cm 
<br/><br/><label>ISBN: </label>0854032436 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Evolution<br/>Environment
<br/><br/><label>Dewey Class. No.: </label>910  / ROY