Impact of variation of TeO2 on the thermal properties of lead borate glasses doped with Pr2O3 Sangeeta B. Kolavekar and N. H. Ayachit Eur. Phys. J. Plus, 137 4 (2022) 475 Published online: 17 April 2022 DOI: 10.1140/epjp/s13360-022-02674-y