The species concept in palaeontology :  a symposium / 
edited for the association by P.C. Sylvester-Bradley. 
 - [1st ed.]. 
 - London,  [1956] 
 - Systematics Association. Publication ;  no. 2 .
 - Systematics Association publications ;  no. 2 .
<br/><br/>Includes bibliographies. 
<br/><br/><label>LCCN: </label>58001102 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Paleontology.<br/>Species.
<br/><br/><label>LC Class. No.: </label>QH83  / .A8 no. 2 
<br/><br/><label>Dewey Class. No.: </label>560