Search for: ([Subject and Keywords = extremly low temperature] OR [Subject and Keywords = trend] OR [Subject and Keywords = Sen's slope] OR [Subject and Keywords = least squares method] OR [Subject and Keywords = Poland] OR [Subject and Keywords = ekstremalnie niska temperatura] OR [Subject and Keywords = trend linearny] OR [Subject and Keywords = Sen's slope] OR [Subject and Keywords = metoda najmniejszych kwadratów] OR [Subject and Keywords = Polska] OR [Title = Coldwaves in Poland – frequency, trends and relationships with atmospheric circulation] OR [Creator = Wibig, Joanna] OR [Creator = Podstawczyńska, Agnieszka] OR [Creator = Rzepa, Marcin] OR [Creator = Piotrowski, Piotr])