TY - RPRT TI - Effects of coal storage in air on physical and chemical properties of coal and on gas adsorption AU - Maria Mastalerz AU - W. Solano-Acosta AU - A. Schimmelmann AU - A. Drobniak PY - 2009 DO - 10.1016/j.coal.2009.07.001 UR - https://pubs.usgs.gov/publication/70036913 ID - 70036913 ER -