Zhen, Liu; Jing, Changfeng; Chen, Xiuzhong (2012). "Files' Conversion from CAD to GIS Using Spatial Data Conversion Tools Provided by FME". 2012 International Conference on Computer Science and Service System. IEEE. pp. 1939–1942. doi:10.1109/CSSS.2012.484. ISBN978-0-7695-4719-0. S2CID10343042.
Zhen, Liu; Jing, Changfeng; Chen, Xiuzhong (2012). "Files' Conversion from CAD to GIS Using Spatial Data Conversion Tools Provided by FME". 2012 International Conference on Computer Science and Service System. IEEE. pp. 1939–1942. doi:10.1109/CSSS.2012.484. ISBN978-0-7695-4719-0. S2CID10343042.