Chikhlyaev, I. and Fayzulin, A. 2016. Materials for the helminth fauna of the edible frog <em>Pelophylax esculentus</em> (Linnaeus, 1758) in the Volga basin. Biological Communications. 3 (Sep. 2016), 175–180. DOI:https://doi.org/10.21638/11701/spbu03.2016.329.