@inproceedings{inproceedings731c3b1f, title = {Neutron powder difraction of hafniates and ruthenates}, author = {Guevara, J A and Cuffini, S L and Mascarenhas, Yvonne Primerano and Fernandez, M T and Stephens, P W and Carbonio, R E and Alonso, J A}, year = {1997}, publisher = {Sociedade Brasileira de Física}, booktitle = {Encontro Nacional de Física da Matéria Condensada} }