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Expansion of coal :bench-scale tester
Correlation of Fischer-Schrader assay and BM-AGA carbonization yields
Carbonizing properties of Kanawha county, W. Va., coals
Effects of retort-immersion depth on Gieseler plasticity determinations on western coals
Studies of the thickness of the plastic layer of coals :its determination and significance
Chemical reactions produced by exposing coal derivatives to ultrasonic energy