ZAEMDZHIKOVA, G.; MARKOFF, I.; MIRCHEV, P. An Indicator Species of Global Warming in Bulgaria . Proceedings of the Bulgarian Academy of Sciences, Sofia, Bulgaria, v. 75, n. 1, p. 62–70, 2022. DOI: 10.7546/CRABS.2022.01.08. Disponível em: https://proceedings.bas.bg/index.php/cr/article/view/8. Acesso em: 9 oct. 2026.