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by Jajuga, Krzysztof; Locarek-junge, Hermann; Orlowski, Lucjan T.; et al.
by Krzysztof Jajuga; Jacek Batog; Marek Walesiak
by Jajuga, Krzysztof; Orlowski, Lucjan T.; Staehr, Karsten
by Jajuga, Krzysztof; Locarek-junge, Hermann; Orlowski, Lucjan T.
by Krzysztof Jajuga