E.E. Nikitin, M.Ya. Ovchinnikova, B. Andresen and A.E. de Vries, Semiclassical calculation of charge transfer: tunneling at large angular momentum, Chem. Phys. 14, 121-127 (1976)
C. Foster, T.P. Hoogkamer, P.H. Woerlee and F.W. Saris, An estimate of direct Coulomb K-shell vacancy production in heavy ion-atom collisions, J. Phys. B: At., Mol. Opt. Phys. 9, 1943-1951 (1976)
S. Tsurubuchi and F.J. de Heer, Excitation cross sections for 3s, 3p and 3d sublevels of atomic hydrogen split from simple molecules by high-energy electron impact, Chem. Phys. 18, 145-154 (1976)