D. Cabral and R. Barros.
" A Framework for Data Extraction in Scientific Papers: An XML-based Approach", in <em>Proceedings of the 1st Brazilian Symposium on Information Systems</em>, Porto Alegre, 2004, pp. 67-74, doi: <a href="https://doi.org/10.5753/sbsi.2004.6363">https://doi.org/10.5753/sbsi.2004.6363</a>.