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by de Souza Guilherme, Souza G., Ruoso C., Marcilio N.R., Perez-Lopez O.W.
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by Papargyri E., Kanaroglou P.S., Photis Y.N.
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by M. Antonopoulou, Konstantinou Ioannis
by A. Rapsomanikis, D. Papoulis, D. Panagiotaras, E. Kaplani, Stathatos Elias
by Demirci Y.
by Carotenuto M., Lofrano G., Siciliano A., Aliberti F., Guida M.
by Rincón Sonia, Arzola N., Gómez A.
by Scoullos M. J., Pavlidou A. S.
by Borrego C., Miranda A.I., Carvalho A.C., Fernandez C.