Brullo, C.; Brullo, S.; Giusso Del Galdo, G.; Guarino, R.; Siracusa, G.; Sciandrello, S. THE CLASS QUERCO-FAGETEA SYLVATICAE IN SICILY: AN EXAMPLE OF BOREO-TEMPERATE VEGETATION IN THE CENTRAL MEDITERRANEAN REGION. Ann Bot 2012, 2, 19-38.