Volume 203, Number 1, 6 August 1998
Graph-theoretic Concepts in Computer Science
Jens Gustedt:
Efficient Union-Find for Planar Graphs and other Sparse Graph Classes. 123-141
Tadao Takaoka:
Shortest Path Algorithms for Nearly Acyclic Directed Graphs. 143-150
Volume 203, Number 2, 28 August 1998