[1]
I. Kostova, D. Apostolova, and M. Stefanova, “Polycyclic Aromatic Hydrocarbons (PAHs) in Bulgarian Coals: Occurrence, Distribution and Carcinogenicity”, C. R. Acad. Bulg. Sci. , vol. 76, no. 8, pp. 1222–1230, Aug. 2023.