Tang, Yibo, Zenghua Li, Yongliang Yang, and Dongjuan Ma. “Phosphorus and Manganese Effect on Oxygen-Consumption of Coal Spontaneous Combustion”. Asian Journal of Chemistry 25, no. 6 (January 9, 2013): 3384–3386. Accessed July 21, 2024. https://asianpubs.org/index.php/ajchem/article/view/25_6_102.