Danilović, Dušan, Dejan Ivezić, Miroslav Crnogorac, and Vesna Maričić. 2026. “Application of Fourier Transform for Determining Thermal Method Frequency in Heavy Oil Production”. Proceedings of the Bulgarian Academy of Sciences 79 (8). Sofia, Bulgaria:1046–1054. https://doi.org/10.7546/CRABS.2026.08.05.