1. US Environmental Protection Agency Sources of Greenhouse Gas Emissions. (accessed Aug. 14, 2021).
2. Ellis, P. J.; Paul, C. A., Tutorial: Petroleum Coke Calcining and Uses of Calcined Petroleum Coke. In AIChE 2000 Spring National Meeting, Atlanta, GA, 2000.
3. In The manufacture of industrial carbons from petroleum raw materials;Stokes,1975
4. Low quality coals – key commercial, environmental and plant considerations;Mills;IEA Clean Coal Center: Sept.,2016
5. Dyukanovic, G. Why Are Anode Production Costs Rising? 2018. https://aluminiuminsider.com/why-are-anode-production-costs-rising/.