Volume 34, Number 1, August 1999
Volume 34, Number 2, September 1999
Tsutomu Anazawa:
On a condition for obtaining an explicit solution of optimum requirement spanning tree.
132-135
Volume 34, Number 3, October 1999
Cees Duin,
Stefan Voß:
The pilot method: A strategy for heuristic repetition with application to the Steiner problem in graphs.
181-191
Volume 34, Number 4, December 1999
Special Issue:
Centrality Concepts in Network Location