- András Recski:
Bracing cubic grids - a necessary condition. Discret. Math. 73(1-2): 199-206 (1989) - Franz Rendl, Matthias Leclerc:
A multiply constrained matroid optimization problem. Discret. Math. 73(1-2): 207-212 (1989) - Neil J. Ross:
Remarks on the Mobius function of a subposet. Discret. Math. 73(3): 305-307 (1989) - Joel Spencer:
Coloring the projective plane. Discret. Math. 73(1-2): 213-220 (1989) - Volker Strehl:
Combinatorics of Jacobi-configurations III: The Srivastava-Singhal generating function revisited. Discret. Math. 73(1-2): 221-232 (1989) - Douglas B. West:
A short proof of the degree bound for interval number. Discret. Math. 73(3): 309-310 (1989) - Günter M. Ziegler
:
The face lattice of hyperplane arrangements. Discret. Math. 73(1-2): 233-238 (1989)
