Nghia, Nguyen, Bui Thi Hoa, Nguyen Thi Thom, & Le Hong Khiem.
" Preliminary Results of PIXE Analysis of Mosses  for Air Pollution Monitoring in Hanoi Using Pelletron Accelerator." <em>VNU Journal of Science: Mathematics - Physics</em> [Online], 33.2 (2017): n. pag. Web. 27 Apr. 2024