id	domain	url
cet-3922	www.aidic.it	www.aidic.it/cet
cet-3922	www.sciencedirect.com	http://www.sciencedirect.com/science/article/pii/s0268401214001066
cet-3922	www.sciencedirect.com	http://www.sciencedirect.com/science/article/pii/s0268401216300433
cet-3922	www.sciencedirect.com	http://www.sciencedirect.com/science/article/pii/s0268401216300433
cet-3922	www.sciencedirect.com	http://www.sciencedirect.com/science/article/pii/s0950705114003992
cet-3922	www.sciencedirect.com	http://www.sciencedirect.com/science/article/pii/s0893608015001434
cet-3922	www.sciencedirect.com	http://www.sciencedirect.com/science/article/pii/s0893608015001434