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A.-H. Gawwad and S. Rahelic
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M. Lalov and St. Dantchev
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St. Dantchev and M. Lalov
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M. Lalov and St. Dantchev
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F. Wirth
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B. Eskeland, M. Martens and H. Russwurm
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B.M. Rogowski
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M. Vada, K. Pusztai, Z. Rédey and Á. Lenyel
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A. Oluski and I. Vujkovic
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R.S. Melo and J.D. Vigario
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J.T. Panin, M.D. Sukanov and P.M. Radetic
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Y. Yankov and R. Brankova
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A. Daskalova, E. Tsvetkova and L. Nedkova
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A.V. Lykova, I.A. Rogov, V.G. Vereshchagin, G.M. Slepykh and V.N. Oblevina
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A.V. Lykova, V.G. Vereshchagin, G.M. Slepykh and A.A. Vinitskay
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A.M. Brazhnikov, V.A. Kaprychev, B.P. Filipenko and N.S. Nikolaev
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N.K. Zhouravskaya, V.E. Ivashov, A.I. Minayev, I.M. Tambovtsev, L.F. Filonenko and N.P. Yanoushkin
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V.M. Gorbatov, V.I. Khromov, A.A. Belousov and V.I. Plotnikov
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S.A. Evelyev, I.R. Skomorovskaya and V.M. Tchernisov
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N.A. Golovkin and L.A. Korzhemanova
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S.A. Loubyanetsky, E.A. Rassadkina and R.A. Shviryova
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K.P. Venger, E.I. Kaukhcheshvili, N.P. Mazurenko, V.I. Khlebnikov and L.A. Abramova
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V.N. Zaitsev and L.V. Kulikovskaya
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N.A. Golovkin, V.V. Yevelyeva and L.S. Kraynova
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O.N. Kurako and V.V. Anoufriev
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I.A. Rogov, N.F. Nomerotskaya and S. Y. Gelfand
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M. Eisner