Open charm production in deep inelastic electron proton scattering with the H1 detector at HERA
Wuppertal : Berg. Univ., Gesamthochschule Wuppertal, Fachbereich Physik, 2001
Open market share repurchases in Germany
a conditional event study approachWuppertal : Bergische Univ. Wuppertal, 2014