Huong, L., & 		Häger, T.
(2010).
 On some controversially-discussed Raman and IR bands  of beryl.
<em>VNU Journal Of Science: Earth And Environmental Sciences, 26</em>(1).
Retrieved from <a href="https://js.vnu.edu.vn/EES/article/view/1772" target="_new">https://js.vnu.edu.vn/EES/article/view/1772</a>