An efficiently solvable case of the minimum weight equivalent subgraph problem. - Michael B. Richey; R. Gary Parker; Ronald L. Rardin (Networks, 1985)

On multiple steiner subgraph problems. - Michael B. Richey; R. Gary Parker (Networks, 1986)

Optimal location of a path or tree on a network with cycles. - Michael B. Richey (Networks, 1990)

Improved bounds for harmonic-based bin packing algorithms. - Michael B. Richey (Discret. Appl. Math., 1991)

Minimum Perfect Bipartite Matchings and Spanning Trees under Categorization. - Michael B. Richey; Abraham P. Punnen (Discret. Appl. Math., 1992)