THE BIOLOGY of marine mammals 
/ edited by Harald T.Andersen 
 - New York  Academic press  1969 
 - xii, 511 p. 
<br/><br/> Includes index. 
<br/><br/><label>ISBN: </label>012057750X 
<br/><br/><label>Dewey Class. No.: </label>599  / BIO