MØLLER, A.; SCHWARTZBACH, M. I. The Design Space of Type Checkers for XML Transformation Languages. BRICS Report Series, [S. l.], v. 11, n. 34, 2004. DOI: 10.7146/brics.v11i34.21859. Disponível em: https://tidsskrift.dk/brics/article/view/21859. Acesso em: 6 may. 2024.