Y. Samuelsson, and M. Volk. Treebanking for Discourse and Speech. Proceedings of the NODALIDA 2005 Special Session on Treebanks for Spoken Language and Discourse, volume 32 of Copenhagen Studies in Language, page 147. Forlaget Samfundslitteratur, København, (2005)
T. Lech, and K. Smedt. Proceedings from the first Bergen Workshop on Anaphora Resolution (WAR I), page 26--38. Newcastle upon Tyne, Cambridge Scholars Publishing, (2007)