id	domain	url
ap-1476	www.hamamatsu.com	http://www.hamamatsu.com
ap-1476	astrowww.phys.uniroma1.it	http://astrowww.phys.uniroma1.it/nesci
ap-1476	www.bo.astro.it	http://www.bo.astro.it/loiano/index.htm
ap-1476	heasarc.nasa.gov	http://heasarc.nasa.gov/docs/xanadu
ap-1476	www.jb.man.ac.uk	http://www.jb.man.ac.uk/pulsar/crab.html