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Notes on the sampling and analysis of coal /by Arno C. Fieldner.
Use of the hydrogen-volatile-matter ratio in obtaining the net heating value of American coals
The analysis of sulphur forms in coal
Analyses of West Virginia coals
Analyses of Kansas coals / [by the U.S. Bureau of Mines].
Notes on the sampling and analysis of coal
Rare and uncommon chemical elements in coal
Analyses of ash from coals of the United States
Analyses of Tennessee coals (including Georgia).
Relative spontaneous heating tendencies of coals