TY - BOOK AU - Frage, Yves AU - Fontana, Marco P. TI - ELECTRONIC AND VIBRATIONAL PROPERTIES OF POINT DEFECTS IN IONIC CRYSTALS U1 - 548.842 PY - 1979/// CY - Amsterdam PB - North-Holland KW - Crystals -- Defects KW - Colour Centers KW - Ionic Crystals N1 - First Published In 1974 Under Title : Peturbations Electroniques Et Vibrationnelles Localisees Dans Les Solids Ioni Ques ER -