\begin{thebibliography}{5}
\providecommand{\natexlab}[1]{#1}
\providecommand{\url}[1]{\texttt{#1}}
\expandafter\ifx\csname urlstyle\endcsname\relax
  \providecommand{\doi}[1]{doi: #1}\else
  \providecommand{\doi}{doi: \begingroup \urlstyle{rm}\Url}\fi

\bibitem[Duck(2005)]{Duck:2005}
Donald Duck.
\newblock The history of automatic control.
\newblock \emph{Duckburg Journal of Science}, 106\penalty0 (3):\penalty0
  345--401, 2005.

\bibitem[Khalil(2002)]{Khalil02NonlinearSystemsBook}
Hassan~K. Khalil.
\newblock \emph{Nonlinear systems}.
\newblock Prentice Hall, Inc., third edition, 2002.

\bibitem[Mori(2007)]{Mori07Tables}
Lapo~Filippo Mori.
\newblock Tables in {\LaTeXe}: Packages and methods.
\newblock \emph{The {Prac\TeX} Journal}, 2007\penalty0 (1), 2007.
\newblock URL \url{http://tug.org/pracjourn/2007-1/mori}.

\bibitem[Rugh(1996)]{Rugh96LinearSystemsBook}
Wilson~J. Rugh.
\newblock \emph{Linear system theory}.
\newblock Prentice-Hall, Inc., second edition, 1996.

\bibitem[Ryćko and Jackowski(1993)]{RyckoJackowski93TeXIndentPar}
Marek Ryćko and Bugosław Jackowski.
\newblock {\TeX} from {\textbackslash}indent to {\textbackslash}par.
\newblock \emph{TUGboat}, 14\penalty0 (3), 1993.
\newblock URL \url{http://www.tug.org/TUGboat/Articles/tb14-3/tb40rycko.pdf}.

\end{thebibliography}