http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Kết cấu bê tông ứng suất trước chỉ dẫn thiết kế theo TCXDVN 356:2005
Bê tông cốt thép; Kết cấu bê tông;