京、津、沪等五市数字图像信息资源应用现状调查分析

朱学芳穆向阳曾娜

On the Status quo of the Use of Digital Image in Five Cities as Beijing, Tianjin and Shanghai, etc.

Zhu Xuefang Mu Xiangyang Zeng Na

情报资料工作 . 2010, (4): 50 -54 .