id	domain	url
american_scientific_journal-1273	asrjetsjournal.org	http://asrjetsjournal.org
american_scientific_journal-1273	asrjetsjournal.org	http://asrjetsjournal.org
american_scientific_journal-1273	www.epa.gov	http://www.epa.gov/air/nitrogendioxides/pdfs/20100122fs.pdf
american_scientific_journal-1273	www.epa.gov	http://www.epa.gov/air/nitrogendioxides/pdfs/20100122fs.pdf
american_scientific_journal-1273	www.epa.gov	http://www.epa.gov/air/nitrogendioxides/pdfs/20100122fs.pdf