Baitimirova, Ekaterina, and Tatiana Melnikova. 2016. “Interpopulation Variability of the Urinal Sperm of the Moor Frog (<em>Rana arvalis</Em&gt; Nilsson, 1842)”. Biological Communications, no. 3 (September), 20–24. https://doi.org/10.21638/11701/spbu03.2016.304.