http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Kỷ yếu hội thảo ứng dụng GIS toàn quốc 2014
Báo cáo các kết quả ứng dụng phần mềm GIS vào thực tiễn ở Việt Nam
Geographic information systems,Information storage and retrieval systems,Hệ thống thông tin địa lý,Thông tin lưu trữ và các hệ thống truy hồi