1. Detector KEDR tagging system for two-photon physics
2. Detector KEDR tagging system for two-photon physics
3. Upgrade of the KEDR tagging system
4. B. Ketzer, C. Altunbas, K. Dehmelt, J. Ehlers, J. Friedrich, B. Grube, S. Kappler, I. Konorov, S. Paul, A. Placci, L. Ropelkewski, F. Sauli, Triple-GEM tracking detector for COMPASS, in: IEEE Nuclear Science Symposium and Medical Imaging Conference, San Diego, 4–10 November, 2001; IEEE Trans. Nucl. Sci. NS-49 (2002) 2403.
5. Beam tests of the gas electron multiplier