Comley, Joshua W. and D.L. Dowe (2005).  Minimum Message Length, MDL
      and Generalised Bayesian Networks with Asymmetric Languages,
      Chapter 11 (pp265-294) in P. Gru:nwald, I. J. Myung and M. A. Pitt (eds.),
      Advances in Minimum Description Length: Theory and Applications,
      M.I.T. Press, April 2005, ISBN 0-262-07262-9.
http://mitpress.mit.edu/catalog/item/default.asp?sid=BA019A19-7ED2-4F19-8D72-FE8678706B96&ttype=2&tid=10478&mode=toc
     [Final camera-ready copy submitted in Oct. 2003.]

The paper is downloadable as 30 (pp265-294) jpeg images (.jpg) from
http://www.csse.monash.edu.au/~dld/Publications/2005/ComleyDowe2005MMLGeneralizedBayesianNetsAsymmetricLanguages_p265.jpg ,
http://www.csse.monash.edu.au/~dld/Publications/2005/ComleyDowe2005MMLGeneralizedBayesianNetsAsymmetricLanguages_p266.jpg ,
   :
http://www.csse.monash.edu.au/~dld/Publications/2005/ComleyDowe2005MMLGeneralizedBayesianNetsAsymmetricLanguages_p294.jpg
(or from http://www.csse.monash.edu.au/~dld/David.Dowe.publications.html).