@inproceedings{inproceedingsa9068daa,
title   = {High temperature behavior of hafniates and ruthenates: X-ray diffraction and PAC spectroscopy},
author = {Guevara, J. A. and Cuffini, S. L. and Mascarenhas, Yvonne Primerano and Presa, P. and Ayala, A. and Lopez Garcia, A.},
year = {1996},
publisher = {Sociedade Brasileira de Física - SBF},
booktitle   = {Encontro Nacional de Física da Matéria Condensada}
}