Leach-precipitation-flotation tests of a California copper-gold ore /
by A.L. Engel and H.J. Heinen.
APA Citation
Engel, A. L. (Abraham L.)., Heinen, H. J. (Harold J.). (1957). Leach-precipitation-flotation tests of a California copper-gold ore. [Washington, D.C.]: U.S. Dept. of the Interior, Bureau of Mines.
MLA Citation
Engel, A. L. (Abraham L.), and H. J. (Harold J.) Heinen. Leach-precipitation-flotation Tests of a California Copper-gold Ore. [Washington, D.C.]: U.S. Dept. of the Interior, Bureau of Mines, 1957.
Warning: These citations may not always be complete (especially for serials).