Robert G. Cowell, A. Philip Dawid, Steffen L. Lauritzen,
David J. Spiegelhalter (1999), Probabilistic Networks and Expert
Systems, Ch. 4 and 5, Springer.
Supplementary literature:
Robert G. Cowell, A. Philip Dawid, Steffen L. Lauritzen,
David J. Spiegelhalter (1999), Probabilistic Networks and Expert
Systems, Ch. 1-3, Springer.
Morten Frydenberg (1989), The Chain Graph Markov Property,
Scandinavian Journal of Statistics 17: 333-353.