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?2007Computational insights into ion mobility spectrometry and electrospray ionization
Wuppertal, November 2023Collateral damage
educational attainment and labor market outcomes among German war and post-war cohortsWuppertal : Bergische Univ. Wuppertal, 2012Central exit examinations increase performance ... but take the fun out of mathematics
Rev. version, Wuppertal : Bergische Univ. Wuppertal, 2008