by Garnaud, Jean - Claude.
by Hevesy, George.
by Webber, George.
by Geissbuhler, H.
by Takacs, L.
by Gati, T.
by Pethes, G.
by Obal, F.
by Schulltheisz, E.
by Szelenyi, Z.
by Feding , L.
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