Author in the following contributions
- Giant cosmic ray halos around M31 and the Milky Way
- The cosmic ray content of superbubbles
- Particle acceleration in colliding shocks and nonlinear reacceleration
- The Origin of Galactic Cosmic Rays as Revealed by their Composition
- Damping of self generated Alfvén waves in a partially ionized medium and the grammage of cosmic rays in the proximity of supernova remnants
- A local fading accelerator and the origin of TeV cosmic ray electrons
- Stochastic Fluctuations of Low-Energy Cosmic Rays and the Interpretation of Voyager Data
- Cosmic ray transport in the proximity of pulsars and the formation of gamma-ray halos
- Phenomenology of CR-scattering on pre-existing MHD modes
