6. Authors' Addresses

   Nathaniel Borenstein
   Bellcore Room MRE 2D-296
   445 South Street
   Morristown, NJ 07962-1910

   Phone: (201) 829-4270
   EMail: nsb@bellcore.com

   Mark Linimon
   Lonesome Dove Computing Services
   P.O. Box 20291
   Roanoke, VA 24018

   Phone: (703) 776-1004
   EMail: linimon@LONESOME.COM