Kashyap, Anupama, S. Chatterjee, Anil Kumar Kashyap, and V.K. Gupta. “Spectrophotometric Determination of Nitrogen Dioxide in the Environment”. Asian Journal of Chemistry 22, no. 7 (June 9, 2010): 5309–5312. Accessed July 3, 2024. https://asianpubs.org/index.php/ajchem/article/view/11748.