id	domain	url
catalyst-28810	chroniclingamerica.loc.gov	http://chroniclingamerica.loc.gov/lccn/sn82014381/1882-07-18/ed-1/seq-4
catalyst-28810	www.apsnet.org	http://www.apsnet.org/edcenter/intropp/lessons/viruses/pages/tobaccomosaic.aspx
catalyst-28810	www.ambalematolima.gov.co	http://www.ambalematolima.gov.co/nuestromunicipio.shtml?apc=mixx-1-&m=f#historia
catalyst-28810	www.ncbi.nlm.nih.gov	http://www.ncbi.nlm.nih.gov/pmc/articles/pmc340389
catalyst-28810	www.encyclopedia.com	http://www.encyclopedia.com/doc/1g2-2830904820.html
catalyst-28810	archive.org	http://archive.org/details/voyagesdanslam00crevuoft
catalyst-28810	www.etymonline.com	http://www.etymonline.com/index.php?term=virus
catalyst-28810	jgp.rupress.org	http://jgp.rupress.org/content/36/1/39.long
catalyst-28810	www.apsnet.org	http://www.apsnet.org/publications/apsnetfeatures/pages/tmv.aspx?newwindow=true
catalyst-28810	chroniclingamerica.loc.gov	http://chroniclingamerica.loc.gov/lccn/sn82014381/1882-07-18/ed-1/seq-4