国外地理信息安全政策和法律建设研究

周鸿昌, 吕雁华

Research on Construction of Foreign Geographic Information Security Policies and Laws

ZHOU Hongchang, LÜ Yanhua

测绘通报 . 2015, (11): 115 -118,128 . DOI: 10.13474/j.cnki.11-2246.2015.0360