Hai, B.V., Trung, D.V., Tuan, N.X., Thang, D.D. and Binh, N.T. 2013. Monitoring Cirrus Cloud and Tropopause Height over Hanoi Using a Compact Lidar System. Communications in Physics. 22, 4 (Jan. 2013), 357. DOI:https://doi.org/10.15625/0868-3166/22/4/2488.