Marine mammals of the Wadden Sea :  final report of the section "Marine Mammals" of the Wadden Sea Working Group / 
edited by P.J.H. Reijnders, W.J. Wolff 
 - Rotterdam :  A. A. Balkema,  1982 
 - 64 p. :  ill., maps. ;  25 cm. 
 - Report 7 of the Wadden Sea Working Group .
<br/><br/>Includes bibliographies 
<br/><br/><label>LCCN: </label>82-232051 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Marine mammals--Waddenzee--Netherlands<br/>Mammals--Waddenzee--Netherlands