http://www.armystar.com/junshilishi/2014-02-14_14814.html
http://euroasia.cass.cn/news/164740.htm
http://cpc.people.com.cn/GB/64162/64172/85037/85038/5994070.html
https://zh.wikipedia.org/wiki/%E7%AC%AC%E4%B8%89%E5%9B%BD%E9%99%85
http://www.kanunu8.com/book3/7255/19532.html
http://www.360doc.com/relevant/122593742_more.shtml