Pakhomov, M. V. & Zaytsev, A. A. 2022, "Investigation of the long-wavelength threshold of spectral sensitivity in the gray seal Halichoerus grypus (Fabricius, 1791)", Marine Biological Journal, vol. 7, no. 4, pp. 46-54. doi: 10.21072/mbj.2022.07.4.04