\begin{thebibliography}{10}
\ifx \showCODEN  \undefined \def \showCODEN #1{CODEN #1}  \fi
\ifx \showISBN   \undefined \def \showISBN  #1{ISBN #1}   \fi
\ifx \showISSN   \undefined \def \showISSN  #1{ISSN #1}   \fi
\ifx \showLCCN   \undefined \def \showLCCN  #1{LCCN #1}   \fi
\ifx \showPRICE  \undefined \def \showPRICE #1{#1}        \fi
\ifx \showURL    \undefined \def \showURL {URL }          \fi
\ifx \path       \undefined \input path.sty               \fi
\ifx \ifshowURL \undefined
     \newif \ifshowURL
     \showURLtrue
\fi

\bibitem{Aho:1988:APL}
Alfred~V. Aho, Brian~W. Kernighan, and Peter~J. Weinberger.
\newblock {\em The {AWK} Programming Language}.
\newblock Ad{\-d}i{\-s}on-Wes{\-l}ey, Reading, MA, USA, 1988.
\newblock \showISBN{0-201-07981-X}.
\newblock x + 210 pp.
\newblock \showLCCN{QA76.73.A95 A35 1988}.
\bibindex{1004, 1005}

\bibitem{Dougherty:1990:SA}
Dale Dougherty.
\newblock {\em {\tt sed} and {\tt awk}}.
\newblock O'Reilly \& {Associates, Inc.}, 981 Chestnut Street, Newton, MA
  02164, USA, November 1990.
\newblock \showISBN{0-937175-59-5}.
\newblock 414 pp.
\newblock \showLCCN{QA76.76.U84 D69 1991}.
\newblock \showPRICE{US\$27.95}.
\bibindex{1004}

\bibitem{Dougherty:1997:SA}
Dale Dougherty and Arnold Robbins.
\newblock {\em {\tt sed} and {\tt awk}}.
\newblock O'Reilly \& {Associates, Inc.}, 981 Chestnut Street, Newton, MA
  02164, USA, second edition, February 1997.
\newblock \showISBN{1-56592-225-5}.
\newblock 420 pp.
\newblock \showPRICE{US\$29.95}.
\bibindex{1004}

\bibitem{Gallmeister:1995:PPR}
Bill Gallmeister.
\newblock {\em {POSIX.4}: Programming for the Real World}.
\newblock O'Reilly \& {Associates, Inc.}, 981 Chestnut Street, Newton, MA
  02164, USA, January 1995.
\newblock \showISBN{1-56592-074-0}.
\newblock xviii + 548 pp.
\newblock \showLCCN{QA76.76.O63 G34 1995}.
\newblock \showPRICE{US\$29.95}.
\bibindex{1004}

\bibitem{Knuth:1984:TB}
Donald~E. Knuth.
\newblock {\em The {\TeX}book}.
\newblock Ad{\-d}i{\-s}on-Wes{\-l}ey, Reading, MA, USA, 1984.
\newblock \showISBN{0-201-13448-9}.
\newblock ix + 483 pp.
\newblock \showLCCN{Z253.4.T47 K58 1984}.
\bibindex{1002}

\bibitem{Lamport:1994:LDP}
Leslie Lamport.
\newblock {\em {\LaTeX}: {A} Document Preparation System: User's Guide and
  Reference Manual}.
\newblock Ad{\-d}i{\-s}on-Wes{\-l}ey, Reading, MA, USA, second edition, 1994.
\newblock \showISBN{0-201-52983-1}.
\newblock xvi + 272 pp.
\newblock \showLCCN{Z253.4.L38L35 1994}.
\bibindex{1001}

\bibitem{Lewine:1991:PPG}
Donald~A. Lewine.
\newblock {\em {POSIX} programmer's guide: writing portable {UNIX} programs
  with the {POSIX.1} standard}.
\newblock O'Reilly \& {Associates, Inc.}, 981 Chestnut Street, Newton, MA
  02164, USA, 1991.
\newblock \showISBN{0-937175-73-0}.
\newblock xxvii + 607 pp.
\newblock \showLCCN{QA76.76.O63 L487 1991b}.
\newblock \showPRICE{US\$34.95}.
\newblock March 1994 printing with corrections, updates, and December 1991
  Appendix G.
\bibindex{1004}

\bibitem{Othmer:1997:CSM}
H.~G. Othmer, F.~R. Adler, M.~A. Lewis, and J.~C. Dallon, editors.
\newblock {\em Case Studies in Mathematical Modeling---Ecology, Physiology, and
  Cell Biology}.
\newblock Pren{\-}tice-Hall, Englewood Cliffs, NJ 07632, USA, 1997.
\newblock \showISBN{0-13-574039-8}.
\newblock viii + 411 pp.
\newblock \showLCCN{QH541.15.M3C37 1997}.
\newblock The book has its own World-Wide Web page at
  \path=http://www.math.utah.edu/books/csmmepcb/index.html=.
\bibindex{1001, 1003, 1005}

\bibitem{IEEE:POSIX.2-93-vol1}
{\em Portable Operating System Interface ({POSIX})---Part 2: Shell and
  Utilities (Volume 1)}.
\newblock Information technology---Portable Operating System Interface
  ({POSIX}). IEEE Computer Society, 345 E. 47th St, New York, NY 10017, USA,
  1993.
\newblock \showISBN{1-55937-255-9}.
\newblock 1--750 pp.
\bibindex{1004}

\bibitem{IEEE:POSIX.2-93-vol2}
{\em Portable Operating System Interface ({POSIX})---Part 2: Shell and
  Utilities (Volume 2)}.
\newblock Information technology---Portable Operating System Interface
  ({POSIX}). IEEE Computer Society, 345 E. 47th St, New York, NY 10017, USA,
  1993.
\newblock \showISBN{1-55937-255-9}.
\newblock 751--1195 pp.
\bibindex{1004}

\bibitem{Robbins:1996:EAP}
Arnold Robbins.
\newblock {\em Effective {AWK} Programming}.
\newblock Specialized Systems Consultants, P.O. Box 55549, Seattle, WA 98155,
  1996.
\newblock \showISBN{0-916151-88-3}.
\newblock viii + 322 pp.
\newblock \showLCCN{QA76.73.A95 R63 1996}.
\newblock \showPRICE{US\$27.00}.
\newblock \ifshowURL {\showURL \path|http://www.ssc.com/ssc/eap/|}\fi.
\bibindex{1004, 1005}

\bibitem{Witten:1994:MGC}
Ian~H. Witten, Alistair Moffat, and Timothy~C. Bell.
\newblock {\em Managing Gigabytes: Compressing and Indexing Documents and
  Images}.
\newblock Van Nostrand Reinhold, New York, NY, USA, 1994.
\newblock \showISBN{0-442-01863-0}.
\newblock xiv + 429 pp.
\newblock \showLCCN{TA1637 .W58 1994}.
\newblock \showPRICE{US\$54.95}.
\newblock The software for full-text indexing described in this book, and
  errata for the book, are available from \path=ftp://munnari.oz.au/pub/mg=.
  The \PROGRAM{bibsearch} package and its required extended version of
  \PROGRAM{mg} are available at \path=ftp://ftp.math.utah.edu/pub/mg/mg-1.3x=.
\bibindex{1001}

\bibitem{Zlotnick:PSP91}
Fred Zlotnick.
\newblock {\em The {POSIX.1} standard: a programmer's guide}.
\newblock Benjamin/Cummings Pub. Co., Redwood City, CA, USA, 1991.
\newblock \showISBN{0-8053-9605-5}.
\newblock xi + 379 pp.
\newblock \showLCCN{QA76.76.063 Z57 1991}.
\bibindex{1004}

\end{thebibliography}
