Search for: [Subject and Keywords = czasopisma 20 w.] OR [Subject and Keywords = paliwo] OR [Subject and Keywords = prasa specjalistyczna] OR [Subject and Keywords = produkcja i handel] OR [Subject and Keywords = przemysł naftowy] OR [Subject and Keywords = ropa naftowa] OR [Title = Nafta. R.14, 1935, Zeszyt 4]