The vibrational species of molecules in disordered crystals: M(NH3)2 groups at C4h symmetry sites

V. M. Petruševski, B. Minčeva-Šukarova, A. Džorovska, The vibrational species of molecules in disordered crystals: M(NH3)2 groups at C4h symmetry sites, Bulletin of the Chemists and Technologists of Macedonia, 12, 31–34 (1993).