Search for: [Subject and Keywords = Politechnika Warszawska] OR [Subject and Keywords = historia Politechniki Warszawskiej] OR [Subject and Keywords = linie kolejowe] OR [Subject and Keywords = transport kolejowy] OR [Subject and Keywords = biografie profesorów Politechniki Warszawskiej] OR [Subject and Keywords = eksploatacja kolei] OR [Subject and Keywords = sygnalizacja kolejowa] OR [Title = Aleksander Wasiutyński \(1859\-1944\)]