TY JOUR TI Sporadic potassium layers and their connection to sporadic E layers in the mesopause region at Beijing, China KW lidar KW sporadic potassium layers KW sporadic E layers JO Solar-Terrestrial Physics AU Jing, J.. AU Guotao, Y.. AU Jihong, W.. AU Xuewu, C.. AU Faqun, L.. PY 2017 IS 3 PB INFRA-M Academic Publishing LLC.