Gorkin V.Z., Ottesen B.V., Alekseev I.V. (1959) Automatic apparatus for uninterrupted registration of optical density of aqueous solutions of certain biologically-important substances in the ultraviolet part of the spectrum. Voprosy Meditsinskoi Khimii, 5(5), 373-376.

Gorkin V.Z. et al. Automatic apparatus for uninterrupted registration of optical density of aqueous solutions of certain biologically-important substances in the ultraviolet part of the spectrum // Voprosy Meditsinskoi Khimii. - 1959. - V. 5. -N 5. - P. 373-376.

Gorkin V.Z. et al., "Automatic apparatus for uninterrupted registration of optical density of aqueous solutions of certain biologically-important substances in the ultraviolet part of the spectrum." Voprosy Meditsinskoi Khimii 5.5 (1959): 373-376.

Gorkin, V. Z., Ottesen, B. V., Alekseev, I. V. (1959). Automatic apparatus for uninterrupted registration of optical density of aqueous solutions of certain biologically-important substances in the ultraviolet part of the spectrum. Voprosy Meditsinskoi Khimii, 5(5), 373-376.