Essenhigh, R. H., & Howard, J. B. (1971). Combustion phenomena in coal dusts and two-component hypothesis of coal constitution. Pennsylvania State University.
Chicago Style (17th ed.) CitationEssenhigh, Robert H., and J. B. Howard. Combustion Phenomena in Coal Dusts and Two-component Hypothesis of Coal Constitution. University Park: Pennsylvania State University, 1971.
MLA (9th ed.) CitationEssenhigh, Robert H., and J. B. Howard. Combustion Phenomena in Coal Dusts and Two-component Hypothesis of Coal Constitution. Pennsylvania State University, 1971.
Warning: These citations may not always be 100% accurate.