NIKOLOVA, N.; RATCHEV, G.; GERA, M.; KRENCHEV, D.; MATEV, S. Extreme Air Temperatures at the Southwestern Slope of Pirin Mountain (Bulgaria) and Related Synoptic Conditions. Proceedings of the Bulgarian Academy of Sciences, Sofia, Bulgaria, v. 75, n. 1, p. 71–79, 2022. DOI: 10.7546/CRABS.2022.01.09. Disponível em: https://proceedings.bas.bg/index.php/cr/article/view/9. Acesso em: 9 oct. 2026.