http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Đề thi-đáp án 1989-1997 & bài tập chọn lọc
Sách giới thiệu tuyển tập 27 đề thi và các bài giải các kỳ thi Ôlympic cơ học toàn quốc từ năm 1989 đến 1997