H. Dyvik, P. Meurer, V. Rosén, and K. De Smedt. Proceedings of the Eighth International Workshop on Treebanks and Linguistic Theories, page 71--82. Milano, EDUCatt, (2009)
V. Rosén, P. Meurer, and K. de Smedt. Proceedings of the 7th International Workshop on Treebanks and Linguistic Theories (TLT7), page 127--133. Utrecht, LOT, (2009)