1. Aleksanyan, T.M., Blokh, Ya.L., Dorman, L.I., Starkov, F.A.,1979. Examination of the differences in the coupling coefficients and barometric coefficients of 3 NM-64 neutron supermonitor and lead-free monitor. In: 16th Int. Cosmic Ray Conf., vol. 4, pp. 321–324.
2. Aushev, V.M., Dorman, L.I., Kryakunova, O.N., Shvartsman, Y.E., Zusmanovich, A.G., 1993. The ground level solar cosmic ray enhancements in 1989-1990. In: 23rd Int. Cosmic Ray Conf., vol. 3, pp. 75–78.
3. Baisultanova, L.M., Belov, A.V., Dorman, L.I., Eroshenko, E.A., Gushchina, R.T., Ishkov, V.N., Yanke, V.G., Venkatesan, D., Mathews, A., Graumann, H.,1991. The features of the ground level increase of cosmic ray intensity on September 29, 1989. In: 22nd Int. Cosmic Ray Conf., vol. 3, pp. 105–108.
4. Bieber, J.W., Evenson, P.,1991. Determination of energy spectra for the large solar particle events of 1989. In: 22nd Int. Cosmic Ray Conf., vol. 3, pp. 129–132.
5. Giant Ground Level Enhancement of Relativistic Solar Protons on 2005 January 20. I. Spaceship Earth Observations;Bieber;Astrophys. J.,2013