http://www.sanchodoesasia.com/sdk/sdk_champion.php

http://www.shuwasystem.co.jp/cgi-bin/detail.cgi?isbn=4-7980-0590-8

http://news.bbc.co.uk/1/hi/world/asia-pacific/3119493.stm

http://news.bbc.co.uk/hi/chinese/news/newsid_3119000/31195011.stm