Lidar Soundings Between 30 and 100 km Altitude During Day and Night for Observation of Temperatures, Gravity Waves and TidesMichael Gerding, Kathrin Baumgarten, Josef Höffner and Franz-Josef LübkenEPJ Web of Conferences, 119 (2016) 13001DOI: https://doi.org/10.1051/epjconf/201611913001