@InProceedings{chiang:TAG+6:2002,
  author    = {Chiang, David},
  title     = {Putting Some Weakly Context-Free Formalisms in Order},
  booktitle = {Proceedings of the Sixth International Workshop on Tree Adjoining Grammar and Related Frameworks (TAG+6)},
  month     = {May},
  year      = {2002},
  address   = {Universitá di Venezia},
  pages     = {11--18},
  url       = {http://www.aclweb.org/anthology/W02-2202}
}