Cao, L., Syroechkovskiy, E., Koyama, K., Kim, H.-W., Gerasimov, Y., Batbayar, N., Choi, C.-Y., Lee, H.-S.
& Fox, A. D. (2018).
A3 Eastern Taiga Bean Goose Anser fabalis middendorffi. I A. D. Fox & J. O. Leafloor (red.),
A Global Audit of the Status and Trends of Arctic and Northern Hemisphere Goose Populations (Component 2: Population accounts) (s. 14-15). CAFF, Conservation of Arctic Flora and Fauna.
Cao, L., Syroechkovskiy, E., Gerasimov, Y., Koyama, K., Kim, H.-W., Kondrateyev, A., Choi, C.-Y., Lee, H.
& Fox, A. D. (2018).
A4 Eastern Tundra Bean Goose Anser fabalis serrirostris. I A. D. Fox & J. O. Leafloor (red.),
A Global Audit of the Status and Trends of Arctic and Northern Hemisphere Goose Populations (Component 2: Population accounts). (s. 16-17). CAFF, Conservation of Arctic Flora and Fauna.