TASKER ML (1984) Nederlandse Ornithologische Unie: Themadag Vogels van de Noordzee: Progress and results of the Seabirds at Sea Team in British waters. LIMOSA 57 (4): 157-157.
Nederlandse Ornithologische Unie: Themadag Vogels van de Noordzee: Progress and results of the Seabirds at Sea Team in British waters
