Search for: [Subject and Keywords = analysing power] OR [Subject and Keywords = close\-to\-treshold production] OR [Subject and Keywords = mechanizm produkcji] OR [Subject and Keywords = mezon η] OR [Subject and Keywords = production mechanism] OR [Subject and Keywords = produkcja przyprogowa] OR [Subject and Keywords = zdolność alaizująca] OR [Subject and Keywords = η meson] OR [Title = Study of the production mechanism of the η meson in proton\-proton collisions by means of analysing power measurements] OR [Creator = Czyżkiewicz, Rafał]