Lidar Observation of Mesospheric Clouds Above Beijing: A Case StudyShaohua Gong, Guotao Yang, Jihong Wang, Yuchang Xun, Foju Wu, Qinzeng Li, Xiao Liu, Chunxia Chen and Dawei TianEPJ Web Conf., 237 (2020) 04003DOI: https://doi.org/10.1051/epjconf/202023704003