Geochemical signature of Variscan granitoids from the Western sector of the Ossa-Morena zone (Portugal) - Santos, J. F.; Azevedo, M; Acciaioli, Maria Helena; Andrade, A.; Cordani, Umberto G.; Sato, Kei; Pinto, M. S. (European Union of Geosciences [Conference], 2001)