Columbia subject headings:
Bridges--Spain--History--21st century.
Civil engineering--Spain.
Manterola, Javier.
Harvard subject headings:
Bridges--Spain--History--21st century.
Civil engineering--Spain.
Manterola, Javier.
Princeton subject headings:
Bridges--Spain--History--21st century.
Civil engineering--Spain.
Manterola, Javier.