\newcommand{\etalchar}[1]{$^{#1}$}
\begin{thebibliography}{WSS{\etalchar{+}}88}

\bibitem[MC89]{kbsa}
R.~McDowell and K.~Cassell.
\newblock {The RLF Librarian: A Reusability Librarian Based on Cooperating
  Knowledge-Based Systems}.
\newblock In {\em Proceedings of RADC 4th Annual Knowledge-Based Software
  Assistant Conference}, September 1989.

\bibitem[Sim88]{simos1}
M.~Simos.
\newblock {The Growing of an Organon: A Hybrid Knowledge-based Technology and
  Metholodogy for Software Reuse}.
\newblock In {\em {Proceedings of the National Conference on Software
  Reusability}}, April 1988.

\bibitem[SWT89]{rlf}
J.~Solderitsch, K.~Wallnau, and J.~Thalhamer.
\newblock {Constructing Domain-Specific Ada Reuse Libraries}.
\newblock In {\em Proceedings, 7th Annual National Conference on Ada
  Technology}, March 1989.
\newblock pages 419-433.

\bibitem[WSS{\etalchar{+}}88]{gadfly}
K.~Wallnau, J.~Solderitsch, M.~Simos, R.~McDowell, K.~Cassell, and D.~Campbell.
\newblock {Construction of Knowledge-Based Components and Applications in Ada}.
\newblock In {\em Proceedings of AIDA-88, Fourth Annual Conference on
  Artificial Intelligence \& Ada}. George Mason Univ., November 1988.

\end{thebibliography}
