Status of the carbon-ratio theory in Illinois
By: by Alfred H. Bell
Series: Illinois State Geological Survey. Circular -- no. 79; Circular (Illinois State Geological Survey) -- no. 79.
Published: 1942
Place of publication: Urbana
Language: eng
Subjects: Coal; Carbonization
Notes: "Reprinted from the Transactions, Illinois State Academy of Science, vol. 34, no. 2, December 1941 (1942).