id	domain	url
cet-4341	www.aidic.it	www.aidic.it/cet
cet-4341	c.wanfangdata.com.cn	http://c.wanfangdata.com.cn/periodical-jdcpkfycx.aspx
cet-4341	c.wanfangdata.com.cn	http://c.wanfangdata.com.cn/periodical/jdcpkfycx/2010-4.aspx
cet-4341	dx.doi.org	http://dx.doi.org/10.1155/2004/701965
cet-4341	c.wanfangdata.com.cn	http://c.wanfangdata.com.cn/periodical/njhyj/2012-7.aspx