Krupa E.E., Marukhin E.E., Pakhetska I.Ya., Tysarovskiĭ V.V. (1966) Modfication of spectrophotometer SF-10 for measuring optical density at continuous wavelength. Voprosy Meditsinskoi Khimii, 12(6), 639-641.

Krupa E.E. et al. Modfication of spectrophotometer SF-10 for measuring optical density at continuous wavelength // Voprosy Meditsinskoi Khimii. - 1966. - V. 12. -N 6. - P. 639-641.

Krupa E.E. et al., "Modfication of spectrophotometer SF-10 for measuring optical density at continuous wavelength." Voprosy Meditsinskoi Khimii 12.6 (1966): 639-641.

Krupa, E. E., Marukhin, E. E., Pakhetska, I. Ya., Tysarovskiĭ, V. V. (1966). Modfication of spectrophotometer SF-10 for measuring optical density at continuous wavelength. Voprosy Meditsinskoi Khimii, 12(6), 639-641.