• 4.2.1 no adequate solution received ._. report
  • 4.2.3 published ._. report
  • 4.2.5 published ._. report
  • 4.3.1 no adequate solution received ._. report
  • 4.3.3 published ._. report
  • 4.3.5 under revision
  • 4.3.7 published ._. report
  • 4.3.9 published ._. report
  • 4.3.11 under revision ._. report ._. alternate solution published
  • 4.3.13 under revision ._. report
  • 4.4.1 no papers received; solution by volunteer published
  • 4.4.3 published ._. report
  • 4.4.5 no correct solution received ._. report
  • 4.4.7 published ._. report
  • 4.4.9 under revision ._. report
  • 4.4.11 published ._. report
  • 4.4.13 published ._. report
  • 4.4.15 under revision ._. report
  • 4.4.17 published ._. report
  • 4.4.19 under revision ._. report

    Last updated Fri 12 Jan 01