Volume 78, Number 1-3, October 1997
Haiko Müller:
Recognizing Interval Digraphs and Interval Bigraphs in Polynomial Time. 189-205
Ryan B. Hayward:
Meyniel Weakly Triangulated Graphs II: A Theorem of Dirac. 283-289
Wing Ning Li:
Two-segmented Channel Routing Is Strong NP-complete. 291-298