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\bibitem{comp-discipline:young}
P.~J. Denning, D.~E. Comer, D.~Gries, M.~C. Mulder, A.~B. Tucker, A.~J. Turner,
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\newblock Computing as a discipline.
\newblock {\em Communications of the ACM}, 32(1):9--23, January 1989.

\end{thebibliography}