user- I: Ø. Andersen, K. Fløttum og T. Kinn (red.): Menneske, språk og fellesskap. Festskrift til Kirsti Koch Christensen på 60-årsdagen 1. desember 2000, Novus ...I: Ø. Andersen, K. Fløttum og T. Kinn (red.): Menneske, språk og fellesskap. Festskrift til Kirsti Koch Christensen på 60-årsdagen 1. desember 2000, Novus forlag, s. 25-45.
- Center for the Study of Language and Information, Stanford, 2nd edition, (2003)
- Blackwell Publishers, Oxford, UK, (2001)
- Kluwer Academic Publishers, Dordrecht, (1990)
- page 46--73. Wiley, New York, (1974)
- AI-1994-06. Artificial Intelligence Center, The University of Georgia, (1994)
- Logical Aspects of Computational Linguistics: 4th International Conference, Lacl 2001, Le Croisic, France, June 27-29, 2001, Proceedings (2001)
- Beyond Grammar: An Experience-based Theory of Language, chapter 3, CSLI Publications, Stanford, (1998)
- (March 2008)
- Fuzzy Grammar: A Reader, Oxford University Press, New York, (2004)
- Proceedings of the 28th ICCS/CogSci, New Jersey, Lawrence Erlbaum Associates, (2006)
- Slavica Publishers, Columbus, OH, (1990)
- Language 68(4):756--796 (1992)
- Syntax and Semantics Academic Press, New York, (2001)
- page 293--309. Oxford University Press, New York, (2004)
- University Of Chicago Press, (1995)
- Linguistics and Philosophy 17(4):329--342 (August 1994)
- Handbook of Formal Languages (1997)
- CSLI lecture notes no 3 Center for the Study of Language and Information, Stanford University, Chicago, Illinois, (1985)
- page 82-94. Elsevier, Amsterdam, 2 edition, (2006)
- Lingua 118(2):245--259 (2008)
