Zhang, Peng-Fei, Hong-Wen Gao, and Nai-Kui Shen. “Determination of Germanium With Phenylfluorone by Β-Correction Sectrophotometry ”. Asian Journal of Chemistry 10, no. 4 (March 30, 2010): 767–770. Accessed July 23, 2024. https://asianpubs.org/index.php/ajchem/article/view/23719.