Bakrač, S., Marković, V., Drobnjak, S., Đorđević, D. and Stamenković, N. 2021. Using historical aerial photography for monitoring of environment changes: a case study of Bovan Lake, Eastern Serbia. Journal of Environmental Engineering and Landscape Management. 29, 3 (Oct. 2021), 305-317. DOI:https://doi.org/10.3846/jeelm.2021.15567.