1. T. M. Aleksan’yan, A. V. Belov, V. G. Yanke, et al., “Experimental Studies of Geomagnetic Effects in Cosmic Rays and an Increase Effect Spectrum before Magnetic Storms,” Izv. Akad. Nauk, Ser. Fiz. 46(9), 1689 (1982).
2. Database of the Global Neutron Monitor Network. //ftp://cr0.izmiran.rssi.ru/COSRAY!/FTP_NM/C/.
3. A. Belov, L. Dorman, R. Gushchina, and V. Yanke, http://cr0.izmiran.rssi.ru/STATION/editor.htm .
4. A. V. Belov, R. T. Gushchina, L. I. Dorman, and I. V. Sirotina, “Rigidity Spectrum of Long-Term Variations in Cosmic Rays,” Geomagn. Aeron. 28(4), 550 (1988).
5. A. V. Belov, R. T. Gushchina, L. I. Dorman, and I. V. Sirotina, Preprint No. 88 (1035), IZMIRAN (Institute of Terrestrial Magnetism, Ionosphere, and Radiowave Propagation, Russian Academy of Sciences, 1993).