[9fans] historical clarification

[Skip Tavakkolian <9nut@9netics.com>]

are these two the same paper? any reason for difference in
titles?

source1: (citeseer)

@misc{ pike90plan,
  author = "R. Pike and D. Presotto and K. Thompson and H. Trickey",
  title = "Plan 9 from Bell Labs",
  text = "R. Pike, D. Presotto, K. Thompson & H. Trickey (1990) Plan 9 from Bell
    Labs, Proc. of the Summer 1990 UKUUG Conf., London, July 1990, pp. 1-9.",
  year = "1990",
  url = "citeseer.comp.nus.edu.sg/article/pike90plan.html" }

source 2: (http://www.math.utah.edu/pub/tex/bib/plan9.html)

@InProceedings{Pike:1990:PBLb,
  author =       "R. Pike and D. Presotto and K. Thompson and H.
                 Trickey",
  booktitle =    "UKUUG. UNIX - The Legend Evolves. Proceedings of the
                 Summer 1990 UKUUG Conference",
  title =        "{Plan 9} from {Bell Labs}",
  publisher =    pub-UKUUG,
  address =      pub-UKUUG:adr,
  pages =        "1--9 (of xi + 260)",
  year =         "1990",
  ISBN =         "0-9513181-7-9",
  LCCN =         "????",
  bibdate =      "Sat Mar 22 15:10:17 MST 1997",
  note =         "See also \cite{Jacob:1996:AMD}.",
  acknowledgement = ack-nhfb,
  classcodes =   "B6210L (Computer communications); C6150J (Operating
                 systems); C5630 (Networking equipment); C5620 (Computer
                 networks and techniques)",
  conflocation = "London, UK; 9-13 July 1990",
  corpsource =   "AT&T Bell Lab., Murray Hill, NJ, USA",
  keywords =     "building blocks; CPU servers; distributed computing
                 environment; distributed processing; distributed
                 systems; file; file servers; file-oriented protocol;
                 interconnections; local name space; multiprocessing;
                 operations; Plan 9; programs; protocols; security;
                 servers; specialised components; terminals",
  treatment =    "P Practical",
}