@article{Zainudin_2017,
title={Effect of increasing concentration of Na2O on structural,
elastic and optical properties of (90  −  x)GeO2–xNa2O–10PbO glass system in the germanate anomaly region},
volume={4},
ISSN={2053-1591},
url={http://dx.doi.org/10.1088/2053-1591/aa9233},
DOI={10.1088/2053-1591/aa9233},
number={10},
journal={Materials Research Express},
publisher={IOP Publishing},
author={Zainudin,
C N and Hisam,
R and Yusof,
M I M and Yahya,
A K and Halimah,
M K},
year={2017},
month=oct,
pages={105204} }