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VIII Sejmik Morski "Polska a Europa Bałtycka" : Gdańsk maj 1992 g.
Goliński, Jerzy, (1993)
Energy imports, geoeconomics, and regional coordination : the case of Germany and Poland in the Baltic energy system - Close Neighbours, Close(r) Cooperation?
Sattich, Thomas, (2016)
Baltic co-operation
Michałowski, Stanisław, (2000)