1. ASTM D3176 (2015) Standard Practice for Ultimate Analysis of Coal and Coke, ASTM International, United States, 1–2
2. ASTM D3172 (2013) Standard Practice for Proximate Analysis of Coal and Coke, ASTM International. West Conshohocken, PA 19428-2959 United States, 1–2.
3. ASTM D5865, Standard Test Method for Gross Calorific Value of Coal and Coke
4. ASTM D3286, Standard Test Method for Gross Calorific Value of Coal and Coke by the Isoperibol Bomb Calorimeter
5. ASTM D2015, Standard Test Method for Gross Calorific Value of Coal and Coke by the Adiabatic Bomb Calorimeter