TY - JOUR T1 - Researches upon Brown Coals and Lignites. Part I. Heat Treatment at Temperatures below 400 degrees C. as a Possible Method for Enhancing their Fuel Values JF - Proceedings of the Royal Society of London. Series A, Containing Papers of a Mathematical and Physical Character (1905-1934) VL - 99 IS - 698 SP - 236 EP - 251 PY - 1921/06/01/ UR - http://dx.doi.org/10.1098/rspa.1921.0037 M3 - doi:10.1098/rspa.1921.0037 AU - Bone, W. ER -