id	domain	url
iajs-364	en.wikipedia.org	http://en.wikipedia.org/wiki/hugo_rietveld
iajs-364	en.wikipedia.org	http://en.wikipedia.org/wiki/crystal
iajs-364	en.wikipedia.org	http://en.wikipedia.org/wiki/neutron_diffraction
iajs-364	en.wikipedia.org	http://en.wikipedia.org/wiki/x-ray_crystallography