L. Bækdal, и B. Kristensen. OOIS '00: Proceedings of the 6th International Conference on Object Oriented Information Systems, стр. 65--84. London, UK, Springer-Verlag, (2000)
{. Tassinopoulos, {. Werner, и {. Kristensen. CEDEFOP-Dokument Amt für Amtliche Veröffentl. der Europ. Gemeinschaften, Luxemburg, 1. Aufl издание, (1998)
L. Kristensen, и L. Petrucci. Application and Theory of Petri Nets 2004, том 3099 из Lecture Notes in Computer Science, стр. 474�-483. Springer-Verlag, Berlin, (2004)
M. Dodson, и S. Kristensen. (2003)cite arxiv:math/0305399Comment: 43 pages, 5 figures, to appear in "Fractal Geometry and Applications: A Jubilee of Benoit Mandelbrot", Proceedings of Symposia in Pure Mathematics, American Mathematical Society.
L. Kristensen, J. Jørgensen, и K. Jensen. Lectures on Concurrency and Petri Nets, том 3098 из Lecture Notes in Computer Science, стр. 626-685. Springer, (2003)