Frey, Robert W. <br/><br/>
Study Of Trace Fossils : Synthesis Of Principles, Problems Andprocedures Un Ichnology 

 - New York  Springer Verlag  1975 
 - xiv, 562p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>H6OK
<br/><br/><label>Dewey Class. No.: </label>H6OK  / K5