Migratory waterbirds in the Wadden Sea 1980 - 2000.

Wadden Sea Ecosystem 20
Kirchhatten : Druckerei Plakativ, 2005.
Umfang/Format: 200 S. : Abb. ; 30 cm.

Lancewad : Landscape and cultural heritage in the Wadden Sea Region. Project report.

von Vollmer, Manfred
Wadden Sea Ecosystem 12
Wilhelmshaven : Common Wadden Sea Secretariat, 2001.
Umfang/Format: 336 S. : Abb. Taf. ; 30 cm.