Oppelt, W. H. (1958). Thermal pretreatment and pelletizing of North Dakota lignite. United States Department of Interior, Bureau of Mines.
Chicago Style (17th ed.) CitationOppelt, W. H. Thermal Pretreatment and Pelletizing of North Dakota Lignite. [Washington, D.C.]: United States Department of Interior, Bureau of Mines, 1958.
MLA (9th ed.) CitationOppelt, W. H. Thermal Pretreatment and Pelletizing of North Dakota Lignite. United States Department of Interior, Bureau of Mines, 1958.
Warning: These citations may not always be 100% accurate.