CROSTI, R., DE NICOLA, C., FANELLI, G. and TESTI, A. 2010. ECOLOGICAL CLASSIFICATION OF BEECH WOODLANDS IN THE CENTRAL APENNINE THROUGH FREQUENCY DISTRIBUTION OF ELLENBERG INDICATORS. Annali di Botanica. (Apr. 2010). DOI:https://doi.org/10.4462/annbotrm-9107.