Heterogeneous photochemistry of imidazole-2-carboxaldehyde: HO2 radical formation and aerosol growth. - Palacios, Laura González; Arroyo, Pablo Corral; Aregahegn, Kifle Z.; Steimer, Sarah S.; Bartels-Rausch, Thorsten; Nozière, Barbara; George, Christian; Ammann, Markus; Volkamer, Rainer (Atmospheric Chemistry & Physics, 2016)