"Análisis espectral." . . "Prospección geoquímica." . . "Spectrum analysis." . . "US Department of the Interior. Geological Survey." . . "Geological Survey (U.S.)," . . "\"A compilation of atomic-absorption methods yielding data on geologic materials useful in geochemical prospecting for ore deposits.\"" . . . . . . "Atomic-absorption methods of analysis useful in geochemical exploration" . "Atomic-absorption methods of analysis useful in geochemical exploration"@en . . . "Atomic-absorption methods of analysis useful in ceochemical exploration" . . . . . . . . . . . . . . . . . . . . . . . "Geochemical prospecting." . . . .