Birds of the wadden sea :  final report of the section Birds of Wadden Sea Working Group / 
edited by C.J. Smit and W.J. Wolff 
 - Rotterdam :  A. A. Balkema,  1981 
 - 308p. :  ill. ;  25cm. 
 - Report 6 of the Wadden Sea Working Group .
 - Report ... of the Wadden Sea Working Group ;  6. .
<br/><br/>Includes bibliographical references 
<br/><br/><label>ISBN: </label>9061910560 
<br/><br/><label>LCCN: </label>81-191587 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Water birds--Netherlands--Waddenzee<br/>Birds--Netherlands--Waddenzee