%% 
%%  Ein Beispiel der DANTE-Edition
%%  Bibliografie mit LaTeX
%%  2. Auflage
%%  Beispiel 03-05-1 auf Seite 44.
%%  Copyright (C) 2016 Herbert Voss
%% 
%%  It may be distributed and/or modified under the conditions
%%  of the LaTeX Project Public License, either version 1.3
%%  of this license or (at your option) any later version.
%%  See http://www.latex-project.org/lppl.txt for details.
%% 
%% ==bibtex== 
% Show page(s) 2
%% 
%% 
\documentclass[]{exaarticle}
\pagestyle{empty}
\setlength\textwidth{218.40707pt}
\usepackage[T1]{fontenc}
\usepackage[utf8]{inputenc}
\usepackage[ngerman]{babel}
\setlength\parindent{0pt}
\usepackage{filecontents}
\begin{filecontents*}{demo2.bib}
@unpublished{hv2007,
  author = {Herbert Vo{\ss}},
  title  = {Allgemeine und  sprachenspezifische {P}robleme bei
            der {E}ntwicklung eines {T}extsatzsystems am {B}eispiel von {\TeX}},
  note   = {Vortrag im Institut f\"ur germanistische
            Sprachwissenschaft, Friedrich-Schiller-Universit\"at Jena},
   year  = 2007,
}
\end{filecontents*}
\begin{filecontents*}{easy.bst}
% easy.bst
ENTRY { author title year} {} {}
FUNCTION {unpublished}{% Anfang function unpublished
  "\begin{unpublished}{" write$ cite$ write$ "}" write$ newline$
  " \textbf{" author * ", }" * write$ newline$
  " \emph{{}" title "}" * *      write$
  ", " year * "." *             write$ newline$
  "\end{unpublished}"              write$ newline$
} % Ende function unpublished
READ % Datenbank einlesen
ITERATE {call.type$}% alle Eintraege durchgehen
\end{filecontents*}
%StartShownPreambleCommands
\newenvironment{unpublished}[1]
  {\section*{Forschungskolloquium}
   [#1]~}{\par}
%StopShownPreambleCommands
\begin{document}
foo\cite{hv2007}  \newpage
\bibliographystyle{easy}
\bibliography{demo2}
\end{document}
