Erratum: A Correction to ``Parallel Approximation Algorithms by Positive Linear Programming'' L. Trevisan Pages: 115 - 119
An Algorithm for Enumerating All Spanning Trees of a Directed Graph S. KapoorH. Ramesh Pages: 120 - 130
One for the Price of Two: a Unified Approach for Approximating Covering Problems R. Bar-Yehuda Pages: 131 - 144
Binary Searching with Nonuniform Costs and Its Application to Text Retrieval G. NavarroR. Baeza-YatesW. Cunto Pages: 145 - 169
Optimal Sublogarithmic Time Parallel Algorithms on Rooted Forests G. SajithS. Saxena Pages: 187 - 197
