4Michael Zeiler. Modeling Our World [ M ]. ESRI Press,2000.
5Booth B, Crosier S, Clark J , et al. Building a Geodatabase [ M ]. ESRI Press, 2000.
6Peter J Quick, SchlumbergerSema. Building an Energy Network Object Model Using Custom Features [OL]. http://gis, esri. corn/library/ userconf/procO2/pap0325/p0325, htm.
7[4]Smallworld document online. General Electric Company[P].copyrignt@ 1998-2003
8孙才信.电力地理信息系统及其在配电网中的应用[M].北京:科学出版社,2003.
9GE Smallworld技术特点与电力应用[Z].耀德计算机软件有限公司.2001.
10Smallworld document online[Z]. General Electric Company, copyright@ 1998-2003.
