Yuzhen Li Jianming Lu Jihong Guan Mingying Fan Ayman Haggag Takashi Yahagi GML Topology Data Storage Schema Design. 701-708 2007 11 JACIII 6 http://www.fujipress.jp/finder/xslt.php?mode=present&inputfile=JACII001100060021.xml db/journals/jaciii/jaciii11.html#LiLGFHY07