Völk, Heinrich Prof. Heinrich J. Völk, Emeriti, MPI for Nuclear Physics, Max Planck Society;
Berezhko, E., Ksenofontov, L., & Völk, H. (2006). Gamma-ray emission expected from Kepler's supernova remnant. Astronomy & Astrophysics, 452(1), 217-221. doi:10.1051/0004-6361:20064801.