Pictures
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V.A. Menschikov, 1978
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T.M. Yakhno
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D.Ya.Levin, T.S.Yanchuk, L.V.Gorodniaia
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T.S.Yanchuk, 1983
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A.P. Ershov, L.L. Zmievskaya, I.V. Pottosin
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A.V. Zamulin
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Yu.A. Zagorul'ko and S.K. Chernonozhkin
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Yu.A. Zagorul'ko and ?
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L. Zakharov, 1983
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A.V. Zamulin and Yu.A. Pervin
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I.V. Pottosin, A.V. Zamulin and N. Wirth in Tomsk, 1996
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F. Tsang and G.D. Chinin
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G.A. Zvenigorodsky