Helium resources of the United States, 1985 /
by Richard D. Miller.
APA Citation
Miller, R. D. (1987). Helium resources of the United States, 1985. Pittsburgh, Pa.: U.S. Dept. of the Interior, Bureau of Mines.
MLA Citation
Miller, Richard D. Helium Resources of the United States, 1985. Pittsburgh, Pa.: U.S. Dept. of the Interior, Bureau of Mines, 1987.
Warning: These citations may not always be complete (especially for serials).