by Lewis, John B.
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An annotated bibliography of research on...
Coal fields of Hokkaido, Japan, other th...
Oceanographic data report from the north...
Chemical contributions to the geology of...
Stability of alumina-base refractories i...
Rekultivierung von Bergbaufolgelandschaf...
Thinking aloud
Hydrogenation and Liquefaction of Coal
Die Technologie der Brikettierung von We...