Fernando De Haro...[et al.] Ferdinand P. Beer ... [et al. Ferdinand P. Beer...[et al.] Ferdinand P. Beer ... [et al.] Ferdinand Beer ... [et al.] Fernando Pacheco Torgal ... [et al.] Ferdinand Beer ... [et al.]. Fernando Q. Gouvea. Francoise Heritier ... et al. Bernhard Pellens ... [et al.