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by Kompaneyets, A. S.
by Simpson, William
by Petru, Zygmunt; Przystawa, Jerzy; Rapcewicz, Krzysztof
by Padmanabhan, Thanu
by Baumann, Gerd
by Großmann, Frank
by Nolting, Wolfgang
by Albert Haug
by Amusia, Miron; Chernysheva, Larissa; Yarzhemsky, Victor