Search for: [Subject and Keywords = geological research] OR [Subject and Keywords = Szeląg \(Poznań, Poland\)] OR [Subject and Keywords = Winiary \(Poznań, Poland\)] OR [Subject and Keywords = Główna \(Poznań, Poland\)] OR [Subject and Keywords = Poznań, wielkopolskie voivodeship \(Poland\)] OR [Subject and Keywords = geologiczne badania] OR [Subject and Keywords = Szeląg \(Poznań, Polska\)] OR [Subject and Keywords = Winiary \(Poznań, Polska\)] OR [Subject and Keywords = Główna \(Poznań, Polska\)] OR [Subject and Keywords = Poznań, woj. wielkopolskie \(Polska\)] OR [Title = Stratygrafia interglacjału Szeląga pod Poznaniem] OR [Creator = Sawicki, Ludwik \(1893–1972\)]