Present-day knowledge of the chemical constitution of coal

Author: Shohan, Jacob Bernard,
Year: 1929
Document Type: MAIN
Issuing Agency: U.S. Dept. of Commerce, Bureau of Mines,
SUDOC: C 22.11:6212
Series: Information circular / Bureau of Mines ;
Report Number: 6212
Subject: Coal
Link: https://hdl.handle.net/2027/mdp.39015095082437

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