V.A. Ganzha, P.A. Kravtsov, O.E. Maev, G.N. Schapkin, G.G. Semenchuk,
  V. Trofimov, A.A. Vasilyev, M.E. Vznuzdaev, S.M. Clayton, P. Kammel, B.
  Kiburg, M. Hildebrandt, C. Petitjean, T.I. Banks, B. Lauss