POSITRON ANNIHILATION STUDIES IN ALKALI HALIDES G.W. DEAN, S. DANNEFAER, B.V. SOBOLEV, D.P. KERR and B.G. HOGG J. Phys. Colloques, 37 C7 (1976) C7-101 DOI: 10.1051/jphyscol:1976715
