CHAMSAZ, MAHMOUD, MOHAMMAD HOSSEIN ARBABZAVAR, TAHEREH HEIDARI, AKRAM HAJINIA, and THIERY SALEHI. “Spectrophotometric Determination of Trace Amounts of Beryllium in Natural Water Using Mean Centering of Ratio Spectra Method and Partial Least Squares Regression”. Asian Journal of Chemistry 22, no. 6 (May 17, 2010): 4717–4726. Accessed July 7, 2024. https://asianpubs.org/index.php/ajchem/article/view/16779.