Kostova, I., Apostolova, D. and Stefanova, M. 2023. Polycyclic Aromatic Hydrocarbons (PAHs) in Bulgarian Coals: Occurrence, Distribution and Carcinogenicity. Proceedings of the Bulgarian Academy of Sciences. 76, 8 (Aug. 2023), 1222–1230. DOI:https://doi.org/10.7546/CRABS.2023.08.08.