Assessment of the impact of SF6 and PFC reservoir tracers on global warming, the AEOLOS study - Vlachogiannis, D; Sfetsos, A; Stubos, AK; Sotiropoulou; R-EP; Tagaris, E; Pilinis, C; Zhong, W; Haigh, JD; Eriksen, DO; Hartvig, SK; Chatzichristos, C; et al. (Environmental Sciences, 2005)