Fedorova, A., and E. Pustovalova. “What the Distribution of Sperm Size Can Tell about the Stability of Spermatogenesis in Hybrid Frogs Pelophylax Esculentus”. The Journal of V.N.Karazin Kharkiv National University. Series «Biology» 37 (December 30, 2021): 70-78. Accessed May 2, 2024. https://periodicals.karazin.ua/biology/article/view/19294.