@article{article7e8afc4d,
title   = {Single phase y'B IND.A' 2'CU IND.3''O IND.X' high tc ceramic superconductors},
author = {Morato, S P and Baldochi, S L and Lima, N B and Becerra, Carlos Castilla and Paduan-Filho, A. and Westphal, C H},
year = {1988},
journal   = {Ceramica}
}