D. Borislavova Vlahova-Vangelova, D. Kostadinov Balev, L. Nikolaevna Nikolova, S. Georgiev Bonev, N. Delchev Kolev, and S. Georgiev Dragoev, “Age effect on technological properties of Russian sturgeon, its Siberian sturgeon hybrid and Sterlet”, BJAS, vol. 25, no. Supplement 1, pp. 73–77, Sep. 2019, Accessed: Nov. 15, 2026. [Online]. Available: https://agriacad.eu/ojs/index.php/bjas/article/view/4614