Search for: [Subject and Keywords = transport morski] OR [Subject and Keywords = ochrona środowiska morskiego] OR [Subject and Keywords = gospodarka morska] OR [Subject and Keywords = ekologia Bałtyku] OR [Subject and Keywords = zanieczyszczenia wód] OR [Title = 4. IV Sejmik Morski, Koszalin 5\-6 maja 1988]