Chubnovskii G.S. (1959) Flame photometer for quantitative determination of sodium and potassium. Voprosy Meditsinskoi Khimii, 5(6), 458-465.

et al. Flame photometer for quantitative determination of sodium and potassium // Voprosy Meditsinskoi Khimii. - 1959. - V. 5. -N 6. - P. 458-465.

et al., "Flame photometer for quantitative determination of sodium and potassium." Voprosy Meditsinskoi Khimii 5.6 (1959): 458-465.

Chubnovskii, G. S. (1959). Flame photometer for quantitative determination of sodium and potassium. Voprosy Meditsinskoi Khimii, 5(6), 458-465.