"A contribution to the analytic chemistry of silicate rocks : a scheme of analysis for eleven main constituents based on decomposition by hydrofluoric acid" . . . . . . . . . . . . "A contribution to the analytical chemistry of silicate rocks. A scheme of analysis for eleven main constituents based on decomposition by hydrofluoric acid"@en . "A contribution to the analytical chemistry of silicate rocks. A scheme of analysis for eleven main constituents based on decomposition by hydrofluoric acid" . . "A contribution to the analytical chemistry of silicate rocks: a scheme of analysis for eleven main constituents based on decomposition by hydrofluoric acid" . . . . . . . . . "A contribution to the analytical chemistry of silicate rocks : a scheme of analysis for eleven main constituents based on decomposition by hydrofluoric acid" . "Rocks Analysis." . . . . "Silicates Analysis." . .