Structure-properties changes in ZnO-PbO-GeO2 glasses E. Mansour, G. El-Damrawi, R.E. Fetoh and H. Doweidar Eur. Phys. J. B, 83 2 (2011) 133-141 Published online: 23 September 2011 DOI: 10.1140/epjb/e2011-20211-2