"Deep bed drying of fine coal with the aid of ultrasonics."; "Fairbanks, Harold Vincent, 1915-"; "Coal preparation."; "Fairbanks, Harold Vincent, 1915-"; "undated"; "Serial issue. Issued as: West Virginia University. Coal Research Bureau. Report, no.99. \"Presented at the 1973 Ultrasonics Symposium, November 5-7, 1973, Monterey, California and published in the Proceedings of the Symposium.\""; ""; "P3755"; "pec"; "Coal preparation."; "14256"; .