Gulf of Finland Encyclopædia Britannica Operational oceanography: the challenge for European co-operation : proceedings of the First International Conference on EuroGOOS, 7–11 October 1996, The Hague, The Netherlands, Volume 1996.
Балтичко Море Карелија Невски Залив Сајма Нарва Фински Залив — Енциклопедија „Британика“ (англиски) Operational oceanography: the challenge for European co-operation : proceedings of the First International Conference on EuroGOOS, 7–11 October 1996, The Hague, The Netherlands, Volume 1996.