Zerefos, C.S. Tetsis, P. Kazantzidis, A. Amiridis, V. Zerefos, S.C. Luterbacher, J. Eleftheratos, K. Gerasopoulos, E. Kazadzis, S. Papayannis, A., Further evidence of important environmental information content in red-to-green ratios as depicted in paintings by great masters, Atmospheric Chemistry and Physics Discussions, (14), 2987-3015, 2014, European Geosciences UnionĀ (EGU),