• 4.2.2 published ._. report
  • 4.2.4 published ._. report
  • 4.2.6 two solutions published ._. report
  • 4.3.2 published ._. report
  • 4.3.4 joint solution published ._. report
  • 4.3.6 published ._. report
  • 4.3.8 published ._. report
  • 4.3.10 published ._. report
  • 4.3.12 published ._. report
  • 4.4.2 published ._. report
  • 4.4.4 published
  • 4.4.6 published ._. report
  • 4.4.8 under revision ._. report
  • 4.4.10 published ._. report
  • 4.4.12 published
  • 4.4.14 published ._. report
  • 4.4.16 two papers published ._. report
  • 4.4.18 published ._. report ._. alternate solution published
  • 4.4.20 published ._. report

    Last updated Mon 11 Jan 99