id	domain	url
amq-56	www.fedoa.unina	www.fedoa.unina/636/
amq-56	www.fastionline.org	www.fastionline.org/docs/2005-32.pdf
amq-56	dx.doi.org	http://dx.doi.org
amq-56	dx.doi	http://dx.doi
amq-56	dx.doi.org	http://dx.doi.org
amq-56	soils.usda.gov	http://soils.usda.gov
amq-56	www.ingv.it	www.ingv.it)