Needham, S.L. and D.L. Dowe (2001).  Message Length as an Effective
      Ockham's Razor in Decision Tree Induction.  Proc. 8th International
      Workshop on Artificial Intelligence and Statistics (AI+STATS 2001),
      pp253-260, Key West, Florida, U.S.A., Jan. 2001.
http://www.csse.monash.edu.au/~dld/Publications/2001/Needham+Dowe2001.ref

The paper is downloadable as postscript (.ps) from
http://www.csse.monash.edu.au/~dld/Publications/2001/Needham+Dowe2001_Ockham.ps and
http://www.ai.mit.edu/conferences/aistats2001/files/needham122.ps
(or as .pdf from
www.csse.monash.edu.au/~dld/Publications/2001/Needham+Dowe2001_Ockham.pdf).