by 陈晓峰, 戴又善, 俞国威
Published in 浙江大学学报（理学版） (2006)

by CHENXiao-feng(陈晓峰), DAIYou-shan(戴又善), YUGuo-wei(俞国威)
Published in Zhejiang da xue xue bao. Journal of Zhejiang University. Sciences edition. Li xue ban (01.05.2006)

by 张振霞 刘宏邦 吴宁 俞国威 沈肖雁 郑汉青
Published in Chinese physics C (2008)