ERLING,J.F <br/><br/>
BIOLOGY AND ETHICS(PROCEEDINGS ACADEMIC OF A SYMPOSIUM HELD THE ROYAL GEOGRAPHICAL SOCIETY,LONDON,ON 26 AND 27 SEDP 1968) 

 - LONDON  ACADEMIC PRESS  1969 
<br/><br/><label>Dewey Class. No.: </label>174 9574 BIO