ELECTRO-OPTICAL STUDIES OF THE EMISSION BANDS OF Tl+ CENTERS IN KCl AND KBr U.M. GRASSANO, A. SCACCO, A. TANGA et M. VALLI J. Phys. Colloques, 37 C7 (1976) C7-149-C7-153 DOI: 10.1051/jphyscol:1976730