Evaluating sulfur and ash distribution in coal seams by statistical response surface regression analysis
By: by Manuel Gomez and Kathleen Hazen.
Contributors: Hazen, Kathleen.; United States. Bureau of Mines
Series: Report of investigations / United States Department of the Interior, Bureau of Mines -- 7377; Report of investigations (United States. Bureau of Mines) -- 7377.
Publisher: U.S. Dept. of Interior, Bureau of Mines
Published: 1970
Place of publication: [Washington, D.C.]
Language: eng
Number of pages: 120
Subjects: Coal -- Analysis.
Notes: "May 1970"--Cover.

Bibliography: p. 96.