VANADATE SEMICONDUCTING GLASSES DOPED WITH OXIDES OF OTHER TRANSITION METALS L. D. Bogomolova, V. A. Jachkin, M. P. Glassova et S. N. SpasibkinaJ. Phys. Colloques, 42 C4 (1981) C4-993-C4-996DOI: https://doi.org/10.1051/jphyscol:19814216