2004 · Max Ringlstetter, Bernd Bürger · Publication Server of the Catholic University Eichstätt-Ingolstadt (Catholic University of Eichstätt-Ingolstadt) · 7
2004 · Max Ringlstetter, Stephan Kaiser, et al. · Publication Server of the Catholic University Eichstätt-Ingolstadt (Catholic University of Eichstätt-Ingolstadt) · 5