Decomposition of a relation scheme into Boyce-Codd Normal Form. - Don-Min Tsou; Patrick C. Fischer (SIGACT News, 1982)

Whether a Set of Multivalued Dependencies Implies a Join Dependency is NP-Hard. - Patrick C. Fischer; Don-Min Tsou (SIAM J. Comput., 1983)

Succinctness in Dependency Systems. - Patrick C. Fischer; Jiann H. Jou; Don-Min Tsou (Theor. Comput. Sci., 1983)