@article{SHELBY_1974,
title={Viscosity and Thermal Expansion of Alkali Germanate Glasses},
volume={57},
ISSN={1551-2916},
url={http://dx.doi.org/10.1111/j.1151-2916.1974.tb11376.x},
DOI={10.1111/j.1151-2916.1974.tb11376.x},
number={10},
journal={Journal of the American Ceramic Society},
publisher={Wiley},
author={SHELBY,
J. E.},
year={1974},
month=oct,
pages={436–439} }