@article{Barabanov:28532,
      author       = "Barabanov, M.Yu. and Vodopyanov, A.S. and Nartov, B.K. and
                      Chukanov, S.N. and Yamaleev, R.M. and Babkin, V.A.",
      title        = "A search for radially excited charmonium states in
                      experiments with low-energy antiproton beams",
      year         = "2007",
}