@inproceedings{inproceedingsae50e465,
title   = {Grain boundary conductivity of zirconia yttria and the space charge concept},
author = {Souza, Milton Ferreira de and Souza, D. P. F.},
year = {1997},
booktitle   = {Symposium on Defect Dependent Processes in Insulators and Semiconductors}
}