id	domain	url
cet-14366	www.cetjournal.it	www.cetjournal.it
cet-14366	www.nrel.gov	www.nrel.gov/docs/legosti/fy97/22309.pdf
cet-14366	www.engineeringtoolbox.com	www.engineeringtoolbox.com/fuels-higher-calorific-values-d_169.html
cet-14366	www.global.toshiba	www.global.toshiba/ww/productssolutions/battery/scib/product/cell/high-energy.html