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Maciej Wiewirowski. Prof Maciej Wiewirowski Zdjcie Prof Macieja Wiewirowskiego Transferred from org pl Micha Sobkowski at org pl Released into the public domain by the author pl Micha Sobkowski Original upload log page pl MWzdjecie Micha Sobkowski bytes no cie Prof Macieja Wiewirowskiego Chemists from Poland births