@INPROCEEDINGS {5783,
author={W. Carnielli  and C. Sernadas and A. Zanardo},
doi={},
booktitle={Comblog Workshop on Combination of Logics: Theory and Applications - CombLog},
title={Preservation of interpolation by fibring},
year={2004},
month={January},
volume={-},
pages={151-157} 
}