Corruption in organizations
some outlines for researchWuppertal : Fachbereich Wirtschaftswissenschaft, Berg. Univ. - Gesamthochschule Wuppertal, 2005

A comparative analysis of the public transport systems of Santiago de Chile, London, Berlin and Madrid
what can Santiago learn from the European experiences?2007

Computational insights into ion mobility spectrometry and electrospray ionization
Wuppertal, November 2023

Collateral damage
educational attainment and labor market outcomes among German war and post-war cohortsWuppertal : Bergische Univ. Wuppertal, 2012
Central exit examinations increase performance ... but take the fun out of mathematics
Rev. version, Wuppertal : Bergische Univ. Wuppertal, 2008


The consequences of happiness for consumption
Wuppertal, November 2022
Carbonyl sulfide in the stratosphere
airborne instrument development and satellite based data analysisJülich : Forschungszentrum Jülich GmbH, Zentralbibliothek, [2017], © 2017
Chow-Witt Rings for classifying spaces of products of multiplicative and cyclic groups
Wuppertal, 30. April 2025

Chemistry modeling and inverse reconstruction of emissions with a Lagrangian transport model
Wuppertal, October, 2024
Competing for fun?
an interdisciplinary approach to the concept, measurement, and relevance of individual competitivenessWuppertal, March 13th, 2019

Creating reproducible publication quality graphics with R
a tutorialWuppertal : Bergische Univ. Wuppertal, 2015
Cosmic rays and the atmospheric electric field
reconstruction and data analysis of radio emission from air showers at the Auger engineering radio arrayWuppertal, Oktober 2015
Cascade reactions initiated by pi-activation
a flexible way to heterocycles & studies toward the total synthesis of Melohenine B2013
