TY - BOOK AU - Smit,C.J. AU - Wolff,W.J. ED - Wadder Sea Working Group. TI - Birds of the wadden sea: final report of the section Birds of Wadden Sea Working Group T2 - Report 6 of the Wadden Sea Working Group SN - 9061910560 PY - 1981/// CY - Rotterdam PB - A. A. Balkema KW - Water birds KW - Netherlands KW - Waddenzee KW - Birds N1 - Includes bibliographical references ER -