\documentclass[12pt,a4paper,twoside]{book}
\usepackage{index}
\usepackage{amsmath}
\usepackage{amsfonts}
\usepackage{amssymb,verbatim}
\usepackage{pstricks}
\usepackage[breaklinks=true]{hyperref}
\usepackage[T1]{fontenc}
\usepackage[utf8x]{inputenc}
\usepackage{ucs}

\renewcommand{\familydefault}{\sfdefault}

\newcommand{\R}{{\mathbb R}}
\newcommand{\Z}{{\mathbb Z}}

\sloppy

\newcommand{\place}[3]{\ifodd \thepage \marginpar{\psframebox[linestyle=none,fillstyle=solid,fillcolor=lightgray]{  \begin{minipage}{0.14\textwidth} \begin{flushright} \small \sffamily #1 \\
#2 \\
#3 \end{flushright} \end{minipage}  }}  \else
\marginpar{\hspace*{0.6cm} \psframebox[linestyle=none,fillstyle=solid,fillcolor=lightgray]{ \begin{minipage}{0.14\textwidth} \begin{flushleft} \small \sffamily #1 \\
#2 \\
#3 \end{flushleft} \end{minipage} }} \fi} % hinter psframebox

\newcommand{\I}[5]{\begin{center} \smallskip { \bf \sffamily #1 } \\ \smallskip\nopagebreak #3 #5\\ \smallskip\nopagebreak {\bf \sffamily #4} \end{center}
\index{#2|textbf}}

\newcommand{\II}[6]{\begin{center} \smallskip { \bf \sffamily #1 } \\ \smallskip\nopagebreak #4 #6\\ \smallskip\nopagebreak {\bf \sffamily #5} \end{center}
\index{#2|textbf} \index{#3}}

\newcommand{\III}[7]{\begin{center} \smallskip { \bf \sffamily #1 } \\ \smallskip\nopagebreak #5 #7\\ \smallskip\nopagebreak {\bf \sffamily #6} \end{center}
\index{#2|textbf} \index{#3} \index{#4}}

\newcommand{\IV}[8]{\begin{center} \smallskip { \bf \sffamily #1 } \\ \smallskip\nopagebreak #6 #8 \\ \smallskip\nopagebreak {\bf \sffamily #7} \end{center}
\index{#2|textbf} \index{#3} \index{#4} \index{#5}}

\newcommand{\V}[9]{\begin{center} \smallskip { \bf \sffamily #1 } \\ \smallskip\nopagebreak #7 #9 \\ \smallskip\nopagebreak {\bf \sffamily #8} \end{center}
\index{#2|textbf} \index{#3} \index{#4} \index{#5} \index{#6}}

\newenvironment {abstract}{\noindent }{

\medskip  \hrule }

\begin{document}

\pagestyle{headings}

\small

# The following Marker will be replaced by the text provided by the author
###CONTENT###

# Inclusion of the abstract content from the file 'abstract.tex'
\input{abstract}


\end{document}