UV-IR spectra of new tellurite glasses R. El-Mallawany, A. Abdel-Kader, M. El-Hawary and N. El-Khoshkhany Eur. Phys. J. AP, 19 3 (2002) 165-172 Published online: 12 September 2002 DOI: 10.1051/epjap:2002062