"INGENIERIA CIVIL HISTORIA." . . "Béton." . . . . . . . . "50 years of civil engineering 1904-1954" . "50 years of civil engineering 1904-1954. Christiani & Nielsen" . . . . . . . . . "50 years of civil engineering, 1904-1954"@en . "50 years of civil engineering : 1904-1954" . "Travaux publics." . . "Navigation." . . "Christiani & Nielsen" . . "Christiani & Nielsen." . "Administration publique." . . "Enseignements." . . . .