@article{Jing2017sporadic, author={Jing, J.. and Guotao, Y.. and Jihong, W.. and Xuewu, C.. and Faqun, L..}, title={Sporadic potassium layers and their connection to sporadic E layers in the mesopause region at Beijing, China}, journal={Solar-Terrestrial Physics}, publisher={INFRA-M Academic Publishing LLC.}, year={2017}, pages={60-64}, volume={3}, issue={2}, }