Hiep, Nguyen Van, Pham Tuan Anh, Pierre Darriulat, Pham Ngoc Diep, Pham Ngoc Dong, Do Thi Hoai, Pham Thi Tuyet Nhung, and Nguyen Thi Thao. 2013. “Mapping Atomic Hydrogen in the Disk of the Milky Way”. Communications in Physics 23 (2):107. https://doi.org/10.15625/0868-3166/23/2/2605.