Peter Jonsson:
Near-Optimal Nonapproximability Results for Some NPO PB-Complete Problems
Published in Processing Letters 68(5):249-253, 1998.

Peter Jonsson, Christer Bäckström:
Not Imply Tractable Plan Generation
Published in Annals of Mathematics and Artificial Intelligence 22(3-4):281-296, 1998.

Peter Jonsson, Christer Bäckström:
A Unifying Approach to Temporal Constraint Reasoning
Published in Artificial Intelligence 102(1):143-155, 1998.

Peter Jonsson, Christer Bäckström:
State-Variable Planning Under Structural Restrictions: Algorithms and Complexity
Published in Artificial Intelligence 100(1-2):125-176, 1998.

Niclas Ohlsson, M. Zhao, Mary E. Helander:
Application of Multivariate Analysis for Software Quality Prediction
Published in Software Quality Journal 7(1):56-66.

J. Karlsson, C. Wohlin, B. Regnell:
An Evaluation of Methods for Prioritizing Software Requirements
Published in Information and Software Technology 39(14-15):939-947.

Å. Hällberg, Bertil Lyberg:
Lip movements in non-focal and focal position for visual speech synthesis
In Proceedings ofthe International Conference on Audio-Visual Speech Processin ( AVSP'98), Terrigal, Australia, December 4-6, 1998.

Å. Hällberg, Bertil Lyberg:
Visual speech synthesis with concatenative speech
In Proceedings of the International Conference on Audio-Visual Speech Processin ( AVSP'98), Terrigal, Australia, December 4-6, 1998.