Smoke injection heights from agricultural burning in Eastern Europe as seen by CALIPSO - V. Amiridis; Giannakaki, E.; Balis, D. S.; Gerasopoulos, E.; Pytharoulis, I.; Zanis, Prodromos; S. Kazadzis; Melas, D.; Zerefos, C. (Atmospheric Chemistry and Physics, 2010)