A sample file for creating a publications list in a thesis or dissertation, separate fromt the references list.

latex_publications.tex

\documentclass{article}
\usepackage{natbib}
\usepackage{bibunits}

\begin{document}
% bibunit to list our publications
\begin{bibunit}[plain]
\renewcommand{\bibsection}{\large \textbf{\begin{center}
Publications
\end{center}}}
\makeatletter
\renewcommand\@biblabel[1]{}
\makeatother
\def\bibfont{\small}

%list all the references in the publications bibtex file
\nocite{*}
\putbib[publications]
\end{bibunit}

\section{Section 1}
Thesis content \dots

% list all of the references in the References bibtext file
\nocite{*}
\bibliographystyle{unsrt}
\renewcommand{\bibname}{References}
\bibliography{references}
\end{document}