ENVIRONMENT|natural environment|geophysical environment|ocean|Atlantic Ocean|North Sea
- an Mhuir Thuaidh Tagairt "An Bunachar Náisiúnta Téarmaíochta don Ghaeilge, http://www.tearma.ie (13.10.2010)"
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- Nordsee
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- North Sea
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- Sainmhíniú arm of the Atlantic Ocean, lying between the east coast of Britain and the European mainland Tagairt """North Sea"" World Encyclopedia. Philip's, 2008. Oxford Reference Online. Oxford University Press. Council of the European Union. http://www.oxfordreference.com/views/ENTRY.html?subview=Main&entry=t142.e8228 (19.10.2010)"