TAM, Tran Thi et al. Wavelength shift in inicrosphere lasers. VNU Journal of Science: Mathematics - Physics, [S.l.], v. 24, n. 2, june 2008. ISSN 2588-1124. Available at: <https://js.vnu.edu.vn/MaP/article/view/3503>. Date accessed: 22 nov. 2024.