Uyen, Dang.
" Caesium and Strontium Isotopes Concentrations in Some Enviromental Samples and Gamma Radiation Fields in (Hanoi, Haiphong and Viettri) Cities, North Vietnam, 1980 - 1990." <em>VNU Journal of Science: Mathematics - Physics</em> [Online], 19.1 (2003): n. pag. Web. 19 May. 2024