http://www.90web.com/article/nr_manage.asp?id=10608&article_lx=201供参考!
http://www.wanfangdata.com.cn/qikan/periodical.Articles/tjfzgxyxb/tjfz2002/0206/020614.htmhttp://www.qq-sun.com/LW/4/qq-sun11022/供参考!