TY - RPRT TI - Study relationship between inorganic and organic coal analysis with gross calorific value by multiple regression and ANFIS AU - S.C. Chelgani AU - B. Hart AU - W.C. Grady AU - J.C. Hower PY - 2011 DO - 10.1080/19392699.2010.527876 UR - https://pubs.usgs.gov/publication/70035647 ID - 70035647 ER -