Grapevine (<i>Vitis vinifera</i> L.) varietal assortment and evolution in the Marche region (central Italy) oleh Manna Crespan, Daniele Migliaro, Simone Larger, Massimo Pindo, Massimo Palmisano, Alvise Manni, Elisa Manni, Enzo Polidori, Francesco Sbaffi, Quintilio Silvestri, Oriana Silvestroni, Riccardo Velasco, Settimio Virgili, Giuseppe Camilli