by Hodek,Ivo.
by Stary,Peter.
by World Academy of Art and Science.
by Mani,M.S.
by Daniel,Milan.
by Prakash,I.
by Spencer,K.A.
by Dirsh,V.M.
by Harz,Kurt.
by Griffiths,G.C.D.
by Kuschell,G.
by Vos,A.D.
by Gade,Daniel W.
by Zimen,Erik.
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