@Book{SIGdial:2006,
  editor    = {Jan Alexandersson  and  Alistair Knott},
  title     = {Proceedings of the 7th SIGdial Workshop on Discourse and Dialogue},
  month     = {July},
  year      = {2006},
  address   = {Sydney, Australia},
  publisher = {Association for Computational Linguistics},
  url       = {http://www.aclweb.org/anthology/W/W06/W06-13}
}