Mangalathayil Ali Abdu 2019, 'Day-to-day and short-term variabilities in the equatorial plasma bubble/spread F irregularityseeding and development', Progress in Earth and Planetary Sciencehttp://link.springer.com/article/10.1186/s40645-019-0258-1. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)

Michi Nishioka, Takashi Maruyama, Yuichi Otsuka, Takuya Tsugawa, Hiromitsu Ishibashi,Kazuo Shiokawa, Mamoru Ishii 2013, 'Comparison of meridional thermospheric winds observed by ionosondes and Fabry-Perotinterferometers', Antarctic Recordhttp://doi.org/10.15094/00009710. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)

S. Saito, T. Maruyama 2006, 'Ionospheric height variations observed by ionosondes along magnetic meridian and plasmabubble onsets', Annales Geophysicaehttp://www.ann-geophys.net/24/2991/2006/angeo-24-2991-2006.pdf. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)

Zolesi Bruno, Perrone Loredana, Belehaki Anna, Mikhailov Andrei, Tsagouri Ioanna 2013, 'Retrieval of thermospheric parameters from routinely observed F2-layer Ne(h) profilesat the geomagnetic equator', Journal of Space Weather and Space Climatehttp://dx.doi.org/10.1051/swsc/2013038. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)

Jong-Kyun Chung, Yong Ha Kim, Young-In Won, Bang Yong Lee 1997, 'A Study on Temperature Variation of the Upper Thermosphere in the High Latitude Throughthe Analysis of 6300 Å Airglow Data', Journal of Astronomy and Space Scienceshttp://ocean.kisti.re.kr/downfile/volume/kosss/OJOOBS/1997/v14n1/OJOOBS_1997_v14n1_94.pdf. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)