Seiler, Ruedi; Kirchner, James W; Krusic, Paul J; Tognetti, Roberto; Houlié, Nicolas; Andronico, Daniele; Cullotta, Sebastiano; Egli, Markus; D'Arrigo, Rosanne; Cherubini, Paolo (2017). Insensitivity of tree-ring growth to temperature and precipitation sharpens the puzzle of enhanced pre-eruption NDVI on Mt. Etna (Italy). PLoS ONE, 12(1):0169297.
Seiler, Ruedi. Tree growth rings as early indicators of volcanic activity on Mt. Etna (Italy). 2017, University of Zurich, Faculty of Science.
Egli, M; Mastrolonardo, G; Seiler, Ruedi; Raimondi, S; Favilli, F; Crimi, V; Krebs, R; Cherubini, P; Certini, G (2012). Charcoal and stable soil organic matter as indicators of fire frequency, climate and past vegetation in volcanic soils of Mt. Etna, Sicily. Catena, 88(1):14-26.