https://zh.m.wikipedia.org/wiki/1991%E5%B9%B4%E5%A4%AA%E5%8E%9F%E8%B8%A9%E8%B8%8F%E4%BA%8B%E4%BB%B6
http://www.sx.chinanews.com.cn/news/2011/0627/40645.html
https://web.archive.org/web/20160304104006/http:/www.tyfzw.cn/?sw=774&b=177