\begin{thebibliography}{1}

\bibitem{sps1}
R.F. Lyon and C.~Mead,
\newblock ``An analog electronic cochlea,''
\newblock {\em IEE Trans.\ ASSP}, pp. 1119--1134, 1988.

\bibitem{sps3}
Y.~Sjokolati and J.J. Marzipani,
\newblock ``A new recipe for the preparation of sweets for general
  consumption,''
\newblock in {\em Proc.\ of the 1998 Int.\ Conf.\ on Food, Drinks and Sweet
  Processing}, New York, Apr. 1998, pp. 470--473.

\bibitem{sps2}
F.~Rooms,
\newblock ``Belgian beers in three easy lessons,'' Oct. 2001.

\end{thebibliography}