Linear programming as a tool for solving multi-project scheduling limited resource problems. (Working paper of the Laboratory of Operations Research and Decision Systems (LORDS) WP 94-12.)
Visualization in the decision support system WINGDSS 4.0. (Working paper of the Laboratory of Operations Research and Decision Systems (LORDS) WP 95-3.)
On free variables in interior point methods. (Technical report of Imperial College of Science, Technology and Medicine. Department of Computing, DOC 97/4.)