Flanagan,Kathryn M. and Jason A. Lillegraven <br/><br/>
Vertebrates, phylogeny and philosophy 

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 - Wyoming - EEUU  University of Wyoming  1986 
 - 361p.  Azul28cm 
 - Contribution to geology, Special paper  v.3 .
<br/><br/><label>ISBN: </label>0-941570-02-9 
<br/><br/><label>Subjects--Topical Terms: </label>--Vertebrados--Filogenia--Filosofia--Evolucion--fosiles--Paleontologia--Rose,K.D--Gradual evolution and species discrimination...--<br/>Zoologia