A THEORETICAL STUDY OF INTRINSIC AND EXTRINSIC DEFECT PROPERTIES OF ALKALI HALIDES C.R.A. CATLOW, J. CORISH, K.M. DILLER, P.W.M. JACOBS et M.J. NORGETT J. Phys. Colloques, 37 C7 (1976) C7-253-C7-259 DOI: 10.1051/jphyscol:1976761