http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Thủy lực và cấp thoát nước trong nông nghiệp
Đề cập các nội dung chính là: Thủy lực học, máy bơm và cấp thoát nước trong nông nghiệp.
Irrigation engineering,Water supply, agricultural