United States. Bureau of Mines. (1944). The Flow of Coal-Ash Slag on Furnace Walls. [s.n.].
Chicago Style (17th ed.) CitationUnited States. Bureau of Mines. The Flow of Coal-Ash Slag on Furnace Walls. [Washington]: [s.n.], 1944.
MLA (9th ed.) CitationUnited States. Bureau of Mines. The Flow of Coal-Ash Slag on Furnace Walls. [s.n.], 1944.
Warning: These citations may not always be 100% accurate.