id	domain	url
cet-6254	www.aidic.it	www.aidic.it/cet
cet-6254	www.airweb.faa.gov	http://www.airweb.faa.gov/regulatory_and_guidance_
cet-6254	standards.ieee.org	http://standards.ieee.org/develop/project/1856.html
cet-6254	www.redstone.army.mil	http://www.redstone.army.mil/amrdec/rdmrse/tdmd/documents