1. Die ausl�sende Strahlung der harten Ultrastrahlschauer;Zeitschrift f�r Physik;1939-09
2. Narrow Cosmic-Ray Showers;Reviews of Modern Physics;1939-07-01
3. On the theory of coincidence experiments on cosmic rays;Proceedings of the Royal Society of London. Series A. Mathematical and Physical Sciences;1938-11-25
4. Cosmic-Ray Showers and Bursts;Reviews of Modern Physics;1938-07-01
5. Die Eigenschaften der primären kosmischen Strahlung;Kernphysik;1936