1. Bies, A., Ferguson, M., Katz, K., Macintyre, R. (1995). Bracketing Guidelines for Treebank II Style Penn Treebank Project.
2. Brants, T., Skut, S., Uszkoreit, H. (2003). “Syntactic annotation of a German newspaper corpus”, in this volume.
3. EAGLES (1996): Preliminary Recommendations for the Syntactic Annotation of Corpora.
4. Ide, N., Bonhomme, P., Romary, L. (2000) “XCES: An XML-based Encoding Standard for Linguistic Corpora”, Proceedings of the Second International Conference on Language Resources and Evaluation (LREC), Athens, p. 831–835.
5. Karlsson, F. and Voutilainen, A. and Heikkilä, J. Anttila, A. (1995). Constraint Grammar: a Language-Independent System for Parsing Unrestricted Text. Berlin, Mouton de Gruyter.