1. Zur theorie der energieubertragung;Landau;Phys. Sov. Union,1932
2. Non-adiabatic crossing of energy levels;Zener;Proc. R. Soc. Lond. Ser. A Math. Phys. Eng. Sci.,1932
3. Atomi orientati in campo magnetico variabile;Majorana;Il Nuovo Cimento,1932
4. Theory of inelastic collisions between atoms;Stueckelberg;Helv. Phys. Acta,1932
5. Oscillations in the total cross sections for inelastic processes during atomic collisions;Ankudinov;JETP,1971