http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Công tác sử dụng, bảo quản và tu sửa các công trình cầu. Việc kiểm định các cầu cũ và các giải pháp gia cố cầu
Nguyễn Ngọc Long, Nguyễn Như Khải, Nguyễn Văn Mợi