1. V. Špirko, A. Čejchan, P. Jensen, P.R. Bunker
    The Development of a New Morse-Oscillator Based Hamiltonian for H3+.
    Journal of Molecular Spectroscopy 112 (1985) 183-.
  2. I. Bartoš, J. Koukal
    On the Role of Space Inhomogeneity of Electron Damping in LEED
    The Structure of Surfaces, Springer Series in Surface Sciences 2, vol. 2, pp. 113-116.