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Kubancák, Jan; Ambrozova, Iva; Bütikofer, Rolf; Kudela, Karel; Langer, Ronald; Davidkova, M.; Ploc, Ondrej; Malusek, A. (2014). Liulin silicon semiconductor spectrometers as cosmic ray monitors at the high mountain observatories Jungfraujoch and Lomnický stit. Journal of instrumentation, 9(07), P07018-P07018. Institute of Physics Publishing IOP 10.1088/1748-0221/9/07/P07018
Bütikofer, Rolf; Flückiger, Erwin O.; Desorgher, Laurent; Moser, Michael R.; Pirard, Benoît (2009). The solar cosmic ray ground-level enhancements on 20 January 2005 and 13 December 2006. Advances in space research, 43(4), pp. 499-503. Oxford: Pergamon 10.1016/j.asr.2008.08.001
Desorgher, Laurent; Kudela, Karel; Flückiger, Erwin O.; Bütikofer, Rolf; Storini, Marisa; Kalegaev, Vladimir (2009). Comparison of Earth's magnetospheric magnetic field models in the context of cosmic ray physics. Acta geophysica, 57(1), pp. 75-87. Warszawa: Versita 10.2478/s11600-008-0065-3
Flückiger, Erwin O.; Bütikofer, Rolf (2009). Swiss neutron monitors and cosmic ray research at Jungfraujoch. Advances in space research, 44(10), pp. 1155-1159. Oxford: Pergamon 10.1016/j.asr.2008.10.043
Usoskin, Ilya G.; Desorgher, Laurent; Velinov, Peter; Storini, Marisa; Flückiger, Erwin O.; Bütikofer, Rolf; Kovaltsov, Gennady A. (2009). Ionization of the earth's atmosphere by solar and galactic cosmic rays. Acta geophysica, 57(1), pp. 88-101. Warszawa: Versita 10.2478/s11600-008-0019-9
Muraki, Yasushi; Matsubara, Yutaka; Masuda, Katoshi; Sako, Takashi; Sakakibara, Shizuko; Watanabe, Kyoko; Flückiger, Erwin; Bütikofer, Rolf; Chilingarian, Ashot; Hovsepyan, G; Kakimoto, Fumio; Terasawa, Toshio; Veralde, Alfonso; Sakai, Takasuke (2008). Detection of high-energy solar neutrons and protons by ground level detectors on April 15, 2001. Astroparticle physics, 29(4), pp. 229-242. Amsterdam: Elsevier 10.1016/j.astropartphys.2007.12.007
Flückiger, Erwin; Bütikofer, Rolf (2007). Neutron monitor data for Jungfraujoch and Bern during the ground-level solar cosmic ray event on 13 December 2006. In: Activity Report 2006 (pp. 117-120). Bern: High Altitude Research Stations Jungfraujoch and Gornergrat
Bütikofer, Rolf; Flückiger, Erwin (August 2015). What are the causes for the spread of GLE parameters deduced from NM data? Journal of Physics: Conference Series, 632(1), 012053. Institute of Physics Publishing IOP 10.1088/1742-6596/632/1/012053
Bütikofer, Rolf; Flückiger, Erwin (February 2013). Differences in published characteristics of GLE60 and their consequences on computed radiation dose rates along selected flight paths. Journal of Physics: Conference Series, 409(1), 012166. Institute of Physics Publishing IOP 10.1088/1742-6596/409/1/012166
Bütikofer, Rolf; Flückiger, Erwin O.; Pirard, Benoît; Desorgher, Laurent (2009). Effective radiation dose for selected intercontinental flights during the GLEs on 20 January 2005 and 13 December 2006. In: Kiraly, P.; Kudela, K.; Stehlik, M.; Wolfendale, A.W. (eds.) 21st European Cosmic Ray Symposium in Košice, Slovakia ECRS, 9 - 12 September 2008 (pp. 158-163). Technische Universität Kosice
Bütikofer, Rolf; Flückiger, Erwin; Desorgher, Laurent (2008). Characteristics of near real-time cutoff calculations on a local and global scale, Paper 1032. In: Caballero, Rogelio; D Olivo, Juan Carlos; Medina-Tanco, Gustavo; Nellen, Lukas; Sánchez, Federico A.; Valdés-Galicia, José F. (eds.) Proceedings of the 30th International Cosmic Ray Conference (pp. 769-772). Mexico City: Universidad Nacional Autónoma de México
Flückiger, Erwin; Moser, Michael; Bütikofer, Rolf; Desorgher, Laurent; Pirard, Benoît (2008). A parameterized neutron monitor yield function for space weather applications, Paper 1182. In: Caballero, Rogelio; D Olivo, Juan Carlos; Medina-Tanco, Gustavo; Nellen, Lukas; Sánchez, Federico A.; Valdés-Galicia, José F. (eds.) Proceedings of the 30th International Cosmic Ray Conference (pp. 289-292). Mexico City: Universidad Nacional Autónoma de México
Bütikofer, Rolf; Flückiger, Erwin; Desorgher, Laurent; Moser, Michael; Pirard, Benoît (2007). The cosmic ray ground level enhancement on 13 December 2006. In: Mavromichalaki, Helen; Papaioannou, Athanasios (eds.) Proceedings of the 3rd SEE 2007 International Symposium COSPAR Colloquium, Athens, Greece, 24-27 September 2007. Athens: National and Kapodistrian University of Athens
Bütikofer, Rolf; Flückiger, Erwin; Moser, Michael; Desorgher, Laurent (2007). Environmental Effects on the Neutron Monitor Measurements at High Altitudes as Observed at Jungfraujoch. In: Stamenov, J.; Vachev, B. (eds.) Observatoire de Montagne de Moussala, vol. 12 (pp. 64-71). Verlag fehlt
Flückiger, Erwin; Bütikofer, Rolf; Moser, Michael; Desorgher, Laurent (2007). The cosmic ray ground level enhancements on January 10, 2005, and December 13, 2006. Geophysical Research Abstracts (GRA), 9, p. 10496.
Flückiger, Erwin; Bütikofer, Rolf; Pirard, Benoît; Desorgher, Laurent (2007). The Swiss Neutron Monitors. In: Mavromichalaki, Helen; Papaioannou, Athanasios (eds.) Proceedings of the 3rd SEE 2007 International Symposium COSPAR Colloquium, Athens, Greece, 24-27 September 2007. Athens: National and Kapodistrian University of Athens
Matsubara, Yutaka; Muraki, Yasushi; Yuda, Toshinori; Ohnishi, Munehiro; Tsuchiya, Harufumi; Katayose, Yusaku; Ogasawara, Ryusuke; Mizumoto, Yoshihiko; Kakimoto, Fumio; Tsunesada, Yoshiki; Velarde, A; Ticona, R; Sako, T; Martinic, N; Miranda, P; Valdes-Galicia, J; Xavier Gonzales, L; Hurtado, A; Musalem, O; Watanabe, K; ... (2007). Search for solar neutrons associated with series of X-class flares during the declining period of solar cycle 23, Paper 191. In: Caballero, Rogelio; D Olivo, Juan Carlos; Medina-Tanco, Gustavo; Nellen, Lukas; Sánchez, Federico A.; Valdés-Galicia, José F. (eds.) Proceedings of the 30th International Cosmic Ray Conference (pp. 33-36). Mexico City: Universidad Nacional Autónoma de México
Flückiger, Erwin; Bütikofer, Rolf; Desorgher, Laurent; Moser, Michael (2006). The Role of GLEs in Space Weather. In: 36th COSPAR Scientific Assembly. Beijing, China, 16 - 23 July 2006 [Meeting abstract from the CD-ROM]. Paris: COSPAR Scientific Assembly
