@book{Lamport,
  author="Leslie Lamport",
  title="\LaTeX: {A} Document Preparation System",
  publisher="Addison-Wesley",
  address="Reading, MA",
  year = "1986"
}

@unpublished{amslatex,
  author="{American Mathematical Society}",
  title="\amslatex/ Version 1.1 User's Guide (1991)",
  address="Providence",
  note="Distributed with the software
    (use anonymous ftp from {\tt e-math.ams.com})"
}

@unpublished{psfig,
  author="Trevor Darrell",
  title="{Psfig/\TeX} 1.8 Users Guide (1991)",
  address="Boston",
  note="Distributed with the software 
    (use anonymous ftp from {\tt whitechapel.media.mit.edu})"
}
  
@book{epstein:WordProcessing,
  author="David B. A. Epstein and
  Jim Cannon and  Silvio Levy and Derek Holt and Mike Paterson and 
  William Thurston",
  title="Word Processing in Groups",
  address="Boston",
  year="1992",
  publisher="Jones and Bartlett"
}

@article{Mittelbach,
  author="Frank Mittelbach",
  title="An environment for multi-column output",
  journal="TUGboat",
  year="1989",
  volume="10",
  pages="407--415"
}
  

@unpublished{rokicki,
  author="Tom Rokicki",
  title="{DVIPS}: A {\TeX} driver (version 5.490, 1992)",
  address="Stanford",
  note="Distributed with the software
    (use anonymous ftp from {\tt labrea.stanford.edu})"
}
  

@book{illustrator,
  author="Mike Schuster and others",
  title="Adobe Illustrator",
  address="Palo Alto, CA",
  publisher="Adobe Systems",
  year="1988"
}

@book{wolfram,
  author="Stephen Wolfram",
  title="Mathematica: A System for Doing Mathematics by Computer",
  address="Reading, MA",
  publisher="Addison-Wesley",
  edition="2nd",
  year="1991"
}