SCANNING AUGER MICROPROBE INVESTIGATION OF GRAIN BOUNDARY SEGREGATION IN SOME ELECTROCERAMICS J. TANAKA, H. HANEDA, S. HISHITA, F. P. OKAMURA et S. SHIRASAKIJ. Phys. Colloques, 51 C1 (1990) C1-1055-C1-1060DOI: https://doi.org/10.1051/jphyscol:19901164