Riley, W. D., Dunning, B. W., & Soboroff, D. M. (1985). Spectral characteristics of grinding sparks used for identification of scrap metals. U.S. Dept. of the Interior, Bureau of Mines.
Chicago Style (17th ed.) CitationRiley, W. D., B. W. Dunning, and D. M. Soboroff. Spectral Characteristics of Grinding Sparks Used for Identification of Scrap Metals. [Avondale, Md.]: U.S. Dept. of the Interior, Bureau of Mines, 1985.
MLA (9th ed.) CitationRiley, W. D., et al. Spectral Characteristics of Grinding Sparks Used for Identification of Scrap Metals. U.S. Dept. of the Interior, Bureau of Mines, 1985.
Warning: These citations may not always be 100% accurate.