id	domain	url
cet-3613	www.aidic.it	www.aidic.it/cet
cet-3613	www.ntsb.gov	http://www.ntsb.gov/investigations/fulltext/pab0702.htm)
cet-3613	www.amazon.com	http://www.amazon.com/guidelines-chemical-transportation-analysis-process/dp/0816906262
cet-3613	www.ntsb.gov	http://www.ntsb.gov/investigations/fulltext/pab0702.htm