Contrasting organic aerosol molecular composition between the urban and agricultural environment of the Po Valley. - D'Angelo, Luca; Ungeheuer, Florian; Ma, Jialiang; Ferrero, Luca; Colombi, Cristina; Cuccia, Eleonora; Dal Santo, Umberto; Biffi, Beatrice; Vogel, Alexander L. (Atmospheric Chemistry & Physics, 2026)