Fortunato, E., A. Gonçalves, A. Marques, A. Viana, H. Águas, L. Pereira, I. Ferreira, P. Vilarinho, and R. Martins. "New developments in gallium doped zinc oxide deposited on polymeric substrates by RF magnetron sputtering." Surface and Coatings Technology. 180 (2004): 20-25.