Fishes and fisheries of the wadden sea :  final report of the section fishes and fisheries of the wadden sea working group / 
edited by Norbert Dankers 
 - Rotterdam  :  A. A. Balkema,  1979 
 - 157 p.  :  ill.  ;  25 cm. 
<br/><br/><label>ISBN: </label>9061910552 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Fisheries--Economic aspects