Ivanov, Pencho, and Luchezar Pehlivanov. “Structure of Zoocenoses in the Ephemeral Pond Lilov Vir, Western Bulgaria”. Proceedings of the Bulgarian Academy of Sciences 77, no. 2 (February 29, 2024): 204–212. Accessed April 29, 2025. https://proceedings.bas.bg/index.php/cr/article/view/478.