سبزهای، ف.، شریفی، م. ع.، آخوندزاده، م. و فرزانه، س.، 1394، پیشبینی محتوای کلی الکترون قائم یونسپهری با شبکه عصبی برای یک موقعیت خاص و مقایسه با مدل مرجع یونسپهری بینالمللی، م. فیزیک زمین و فضا، 41(3)، 473-485.
Ataç, T., Özgüç., A. and Pektaş, R., 2009, The variability of foF2 in different phases of solar cycle 23. Journal of Atmospheric and Solar-Terrestrial Physics, 71(5), 583-588.
Baumjohann, W. and Treumann, R. A. 1997, Basic space plasma physics, Imperial College Press, London.
García, R., 2007, Tracking solar gravity modes: the dynamics of the solar core, Science. 316 (5831), 1591-1593.
Guo, J., Li, W., Liu, X., Kong, Q., Zhao, C. and Guo, B., 2015, Temporal-Spatial Variation of Global GPS-Derived Total Electron Content, 1999-2013, PLoS One. 20; 10(7), e0133378. doi: 10.1371/journal.pone.0133378.
Gurtner, W. and Estey, L., 2007, RINEX The receiver independent exchange format version3.00. Astronomical Institute, Univesity of Bern, Bolulder, Colorado.
Liao, X., 2000, Carrier phase based ionosphere recovery over a regional area GPS network. M.Sc. Thesis, Univ. of Calgary, Canada.
Liu, L., Wan, W. Ning, B. and Zhang, M.-L., 2009, Climatology of the mean total electron content derived from GPS global ionospheric maps, J. Geophys. Res., 114, A06308,doi:10.1029/ 2009JA014244.
Mukhtarov, P., Pancheva, D. Andonov, B. and Pashova, L., 2013, Global TEC maps based on GNSS data: 1. Empirical background TEC model, J. Geophys. Space Physics, 118, doi:10.1002/ jgra.50413.
Nayir, H., Arikan, F., Arikan, O. and Erol, C. B., 2007, Total Electron Content estimation with Reg-Est. Geophys.Res. 112, A11313, doi:10.1029/2007JA012459.
Otsuka, Y., Ogawa, T., Saito, A., Tsugawa, T., Fukao, S. and Miyazaki, S., 2002, A new technique for mapping of total electron content using GPS network in Japan. Earth
Patel, N. C., Karia, S. P. and Pathak, K. N., 2017, GPS-TEC Variation during Low to High Solar Activity Period (2010-2014) under the Northern Crest of Indian Equatorial Ionization Anomaly Region. Positioning, 8, 13-35. https://doi.org/10.4236/pos.2017.82002.
Schaer, S., 1999, Mapping and predicting the Earth’s ionosphere using the global positioning system. Ph.D. Thesis, Univ. of Berne, Berne, Switzerland.
Schaer, S., Werner, G. and Feltens, J., 1998, IONEX: The Ionosphere Map Exchange Format Version 1. Proceedings of the IGS Analysis Centers workshop, Darmstadt, Germany. February 9–11, 233–247.