Re:pbm or pbem, historical settings

From: drhj@v1.astro.cf.ac.uk (Dean Johnson)

Date: Mon, 20 Sep 1993 12:12:01 +0000

References

• Re:pbm or pbem, historical settings
  knuth@uranus.central.de (Knut Hass)
  Thu, 16 Sep 1993 20:17:00 +0000