I can't reproduce what you see with below MWE:
test.tex:
\documentclass[a4paper]{article}
\usepackage{ngerman}
\usepackage{bibgerm}
\begin{document}
\section{First}
This sentence cites \cite{chun10}.
\bibliographystyle{alpha}
\bibliography{references}
\end{document}
references.bib:
@inproceedings{chun10,
title={Vizcept: Supporting synchronous collaboration for constructing visualizations in intelligence analysis},
author={Chung, H. and Yang, S. and Ma{\ss}jouni, N. and Andrews, C. and Kanna, R. and North, C.},
booktitle={Visual Analytics Science and Technology (VAST), 2010 IEEE Symposium on},
pages={107--114},
year={2010},
organization={IEEE}
}
The output is the following: