Jiao, L.Z., D.M. Dong, W.G. Zheng, W.B. Wu, H.K. Feng, C.J. Shen, and H. Yan. “Determination of Nitrite Using UV Absorption Spectra Based on Multiple Linear Regression”. Asian Journal of Chemistry 25, no. 4 (November 2, 2012): 2273–2277. Accessed July 3, 2024. https://asianpubs.org/index.php/ajchem/article/view/25_4_116.