http://www.ee.ncu.edu.tw/~shou/paper/No3.paper(1118).htm
http://www.pladaily.com.cn/pladaily/20010101/big5/20010101001064_TodayNews.html
http://www.him.com.hk/share/him/0066/stylehim/20060109stylehim0212/content.htm
http://www.myorc.com/printthread.php?t=747
http://freebsd.tspes.tpc.edu.tw/~afu/7h0.htm
http://www.gundamofficial.com/worlds/ce/background/maps.html
