M. Bertamini, U. Malossini, K. Muthuchelian, and N. Nedunchezhian, “Physiological Response of Field Grown Grapevine (<em>Vitis vinifera</em> L. cv. Marzemino) to Grapevine Leafroll-Associated Virus (GLRaV-1)”, Phytopathol. Mediterr., vol. 44, no. 3, pp. 256–265, Apr. 2005.