Amiridis, V. Giannakaki, E. Balis, D.S. Gerasopoulos, E. Pytharoulis, I. Zanis, P. Kazadzis, S. Melas, D. Zerefos, C., Smoke injection heights from agricultural burning in Eastern Europe as seen by CALIPSO, Atmospheric Chemistry and Physics, (10), 11567-11576, 2010, 1680-7316, 1680-7324