1. Billing, G.D.: Dynamics of Molecule Surface Interactions. Wiley, Chichester (2000)
2. Rutigliano, M., Cacciatore, M., Billing, G.D.: Chem. Phys. Lett.??340, 13 (2001);
3. Cacciatore, M., Billing, G.D.: Surf. Science 232, 35 (1990)
4. E.g., see, Dovesi, R., Saunders, V.R., Roetti, C., Causa, M., Harrison, N.M., Apra’, E.: CRYSTAL 1995 User’s Manual, University of Torino, Torino (1996)
5. E.g., see, Nakamura, K.G.: Chem. Phys. Lett. 285, 21 (1998)