Morales, NicolasHansen, John H. L.Toledano, Doroteo T.Garrido, Javier2007-05-232007-05-232007-05-23http://hdl.handle.net/10062/2565Proceedings of the 16th Nordic Conference of Computational Linguistics NODALIDA-2007. Editors: Joakim Nivre, Heiki-Jaan Kaalep, Kadri Muischnek and Mare Koit. University of Tartu, Tartu, 2007. ISBN 978-9985-4-0513-0 (online) ISBN 978-9985-4-0514-7 (CD-ROM) pp. 144-151.enArticle