Great Britain. Standing Committee of Analysts. (1987). Lithium, magnesium, calcium, strontium, and barium in waters and sewage effluents by atomic absorption spectrophotometry, 1987: Methods for the examination of waters and associated materials (Combined and expanded ed.). H.M.S.O..
Cita Chicago (17th ed.)Great Britain. Standing Committee of Analysts. Lithium, Magnesium, Calcium, Strontium, and Barium in Waters and Sewage Effluents by Atomic Absorption Spectrophotometry, 1987: Methods for the Examination of Waters and Associated Materials. Combined and expanded ed. London: H.M.S.O., 1987.
Cita MLA (8th ed.)Great Britain. Standing Committee of Analysts. Lithium, Magnesium, Calcium, Strontium, and Barium in Waters and Sewage Effluents by Atomic Absorption Spectrophotometry, 1987: Methods for the Examination of Waters and Associated Materials. Combined and expanded ed. H.M.S.O., 1987.