Tam, T., 		Trung, D., 		Vu, T., 		Minh, L., & 		Trung, D.
(2008).
 Wavelength shift in inicrosphere lasers.
<em>VNU Journal Of Science: Mathematics - Physics, 24</em>(2).
Retrieved from <a href="https://js.vnu.edu.vn/MaP/article/view/3503" target="_new">https://js.vnu.edu.vn/MaP/article/view/3503</a>