Helium resources of the United States, 1973 /
by B.J. Moore ; Helium Operations.
APA Citation
Moore, B. J. (Billy J.)., United States. Bureau of Mines. (1976). Helium resources of the United States, 1973. Washington: U.S. Dept. of Interior, Bureau of Mines.
MLA Citation
Moore, B. J. (Billy J.), and United States. Bureau of Mines. Helium Resources of the United States, 1973. Washington: U.S. Dept. of Interior, Bureau of Mines, 1976.
Warning: These citations may not always be complete (especially for serials).