http://www.qzlake.zju.edu.cn/front/news/content.php?id=733http://news.yninfo.com/guonei/gedi/2005/5/1116207155_13/http://www.ssky.cn/news/html/2004/10/20041010215508-1.htmhttp://news.sina.com.cn/c/2005-10-12/09287147743s.shtml