Trace fossils:   / Proceedings of an International Conference held at Liverpool University, 6, 7, 8 January 1970 under the auspisces of the Liverpool Geological Society ans sponsored by the International Union of Geological Sciences 

 - Liverpool:   Seel House Press,   1970 
 - 547p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Science
<br/><br/><label>Universal Decimal Class. No.: </label>56.0(082.2)   / L0