Choi, B. K., Lee, S. J. and Park, J. U., 2011, Monitoring the ionospheric total electron content variations over the Korean Peninsula using a GPS network during geomagnetic storms, Earth Planets Space, 63, 469-476.
Ciraolo, L., Azplicueta, F., Brunini, C., Meza, A. and Radicella, S. M., 2006, Calibration errors on experimental slant total electron content (TEC) determined with GPS, Geodesy, J., 81, 111-120.
Hargreaves, J. K., 1992, The solar-terrestrial evironment, Cambridge University Press, UK-Cambridge.
Hofmann-Wellenhof, B., Lichtenegger, B. and Wasle, E., 2008, GNSS - global navigation satellite systems GPS, GLONASS, Galileo, and more. Springer-Verlag Wien.
Mayaud, P. N., 1980, Derivation, meaning and use of geomagnetic indices, Washington, DC, American Geophysical Union.
McPherron, R. L., 1995, Standard indices of geomagnetic activity, introduction to space physics, Cambridge University Press, UK - Cambridge.
Rycroft, M. J., Nicoll, K. A., Aplin, K. L. and Harrison, R. G., 2012, Recent advances in global electric circuit coupling between the space environment and the troposphere, Journal of Atmospheric and Solar-Terrestrial Physics, 90-91, 198-211.
Nicoll, K. A. and Harrison, R. G., 2009a, Vertical current flow through extensive layer clouds, Journal of Atmospheric and Solar-Terrestrial Physics, 71, 2040-2046.
Perrone, L. and Franceschi, G. D., 1998, Solar, ionospheric and geomagnetic indices, Annali di geofisica, 41, 5-6.
Polyakova, A. S. and Perevalova, N. P., 2013, Comparative analysis of TEC disturbances over tropical cyclone zones in the North–West Pacific Ocean, Advances in Space Research, 52, 1416-1426.
Rozhnoi1, A., Solovieva1, M., Levin, B., Hayakawa, M. and Fedun, V., 2014, Meteorological effects in the lower ionosphere as based on VLF/LF signal observations, Natural Hazards and Earth System Sciences. J., 2, 2789-2812.
Rycroft, M. J. and Israelsson, S., Price, C., 2000, The global atmospheric electric circuit, Journal of Atmospheric and Solar-Terrestrial Physics, 62, 1563-1576.
Schaer, S., 1999, Mapping and predicting the Earth’s ionosphere using the global positioning system, Ph.D. Thesis, Astronomical Institute, University of Berne, Switzerland.
Seeber, G., 2003, Satellite geodesy: foundations, methods and application, Walter de Gruyter, Berlin and New York, 589.
Singh, A. K., Siingh, D., Singh, R. P. and Mishra Sandhya., 2011, Electro dynamical coupling of Earth’s atmosphere and ionosphere: an overview, International Journal of Geophysics, 2011, http://dx.doi.org/10.1155/2011/971302
Sorokin, V. M., Yaschenko, A. K., Chmyrev, V. M. and Hayakawa, M., 2006, DC electric field formation in the mid-latitude ionosphere over typhoon and earthquake regions, Phys. Chem. Earth, 31, 454-461.
Tinsley, B. A., 2000, Influence of the solar wind
on the global electric circuit, and inferred effects on cloud microphysics, temperature, and dynamics of the troposphere, Space Science Reviews, 94, 231-258.
Tinsley, B. A., Rohrbaugh, R. P. and Hei, M., 2001, Electroscavenging in clouds with broad droplet size distributions and weak electrification, Atmosph. Res., 59-60, 115-135.
Vanina-Dart, L. B., Romanov, A. A. and Sharkov, E. A., 2011, Influence of a tropical cyclone on the upper ionosphere according to tomography sounding data over Sakhalin Island in November 2007, Geomagnet. Aeronom, 51, 774-782.
Wormell, T. W., 1930, Vertical electric currents below thunderstorms and showers, Proceedings of the Royal Society, A 127, 567-590
Zhou, L. and Tinsley, B. A., 2007, Production of space charge at the boundaryes of layer clouds, Journal of Geohpysical Research, 112, D11203, http://dx.doi.org/10.1029/2006JD007998.