POINT DEFECTS OF LOW SYMMETRY IN KZnF3 SINGLE CRYSTALS M. BINOIS, A. LEBLE, J. J. ROUSSEAU et J. C. FAYETJ. Phys. Colloques, 34 C9 (1973) C9-285-C9-288DOI: https://doi.org/10.1051/jphyscol:1973950