@inProceedings{infa:expr04,
   author =    {G. Infante-Lopez and de Rijke, M.},
   booktitle = {Proceedings Advances in Natural Language Processing: 4th International Conference, EsTAL 2004},
   editor =    {J.L. Vicedo and P. Martinez-Barco and R. Munoz et al.},
   title =     {Expressive Power and Consistency Properties of State-of-the-Art Natural Language Parsers},
   year =      2004,
   pages =     {149--160},
}