The Terrestial environment and the origin of land vertebrates / 
edited by A.L. Panchen. 
 - London :  Academic Press,  1980. 
 - xii, 633p. :  ill., port. ;  24 cm. 
 - The Systematics Association special volume series  no.15 .
<br/><br/> Proceedings of an international symposium held at the University of Newcastle upon Tyne 
<br/><br/><label>ISBN: </label>0125447809 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Vertebrates--Evolution--Congresses<br/>Vertebrates, Fossil--Congresses<br/>Paleontology, Paleozoic--Congresses