http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Những cái nhìn tương đồng về không gian, thời gian và ánh sáng
Leonard Shlain; Trần, Mạnh Hà, Phạm Văn Thiều (dịch)