• 5.2.2 published ._. report
  • 5.2.4 published ._. report ._. alternate solution published
  • 5.2.6 under revision ._. report
  • 5.2.8
  • 5.2.10 published._. report
  • 5.2.12 under revision ._. report
  • 5.2.14
  • 5.2.16 under revision ._. report
  • 5.2.18 published ._. report
  • 5.2.20 published ._. report ._. alternate solution under revision
  • 5.3.2 under revision ._. report
  • 5.3.4 under revision ._. report
  • 5.3.6 published ._. report
  • 5.4.2 published
  • 5.4.4 published
  • 5.4.6 under revision ._. report
  • 5.4.8 published ._. report
  • 5.4.10 published
  • 5.4.12 no acceptable paper received ._. report

    Last updated Tue 11 May 99