COLOUR CENTRES IN ALKALI HALIDES (2).Defects induced in NaMgF3 crystals by X- and VUV-irradiation N. Kristianpoller et B. TriemanJ. Phys. Colloques, 41 C6 (1980) C6-109-C6-111DOI: https://doi.org/10.1051/jphyscol:1980629
