Mason, C. F. <br/><br/>
Otters :  ecology and conservation / 
C.F. Mason and S.M. Macdonald. 
 - Cambridge [Cambridgeshire] ;  New York :  Cambridge University Press,  1986. 
 - vii, 236 p. :  ill. ;  24 cm. 
<br/><br/> Includes index. 
<br/><br/>Bibliography: p. 204-229. 
<br/><br/><label>ISBN: </label>0521307163 
<br/><br/><label>LCCN: </label>85011711  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Otters--Ecology.<br/>Wildlife conservation.
<br/><br/><label>LC Class. No.: </label>QL737.C25  / M318 1986 
<br/><br/><label>Dewey Class. No.: </label>599.74447  / MAO 1986