@article{article2d4d3465,
title   = {Density and ultrasonic velocities in fast ionic conducting borate glasses},
author = {Souto, Sérgio Paulo Amaral and Massot, M. and Balkanski, M. and Royer, D.},
year = {1999},
doi = {10.1016/s0921-5107(99)00150-6},
journal   = {Materials Science and Engineering B}
}