Prokopowicz, A., and J. Romanowski. “Endangered Breeding Sites of the Fire-Bellied Toad Bombina Bombina in the Łomianki Section of the Vistula River Valley, Central Poland”. Studia Ecologiae Et Bioethicae, vol. 14, no. 2, June 2016, pp. 93-103, doi:10.21697/seb.2016.14.2.06.