Andonova-Katsarski, Mila, and Polina Stoyanova. “The Vegetal Remains and the Bio-Archaeological Findings: An Overview of Water Flotation Samples from Ancient Serdica (Sofia, Bulgaria)”. Proceedings of the Bulgarian Academy of Sciences 76, no. 5 (May 29, 2023): 735–742. Accessed December 8, 2023. http://www.proceedings.bas.bg/index.php/cr/article/view/314.