Stela Naydenova, Anife Veli, Zilya Mustafa, Elena Hristova, Lenia Gonsalvesh (2020). PM--SSOCIATED PAHs DURING WINTER IN BURGAS, BULGARIA. SGEM International Multidisciplinary Scientific GeoConference EXPO Proceedings; 20th International Multidisciplinary Scientific GeoConference Proceedings SGEM 2020, Energy and Clean Technologies, 457-464. https://doi.org/10.5593/sgem2020/4.1/s19.057