@inproceedings{inproceedings3a9fbf99, title = {Study of PTCR effect in Ca-doped BaTi'O IND.3' ceramics}, author = {Sampaio, David Vieira and Santos, Jerre Cristiano Alves dos and Macedo, Zélia Soares and Silva, Ronaldo Santos da and M'Peko, Jean-Claude and Hernandes, Antônio Carlos}, year = {2009}, publisher = {Sociedade Brasileira de Física - SBF}, booktitle = {Encontro Nacional de Física da Matéria Condensada - ENFMC} }