Volume 147, Number 1, November 25, 1998
Luca Cabibbo:
The Expressive Power of Stratified Logic Programs with Value Invention. 22-56
Volume 147, Number 2, December 15, 1998
Sebastian Maneth:
The Generating Power of Total Deterministic Tree Transducers. 111-144
Stephen Ponzio:
The Combinatorics of Effective Resistances and Resistive Inverses. 209-223