MAGNETIC EFFECTS OF TUNNELLING RECOMBINATION LUMINESCENCE IN CsI AND KCl DOPED CRYSTAL O. THIÉBAUD, J.J. PILLOUD, M.A. AEGERTER and C. JACCARD J. Phys. Colloques, 37 C7 (1976) C7-169-C7-173 DOI: 10.1051/jphyscol:1976738