id	domain	url
ebl-442	www.pnas.org	http://www.pnas.org/search?author1=toby+m.+maxwell&sortspec=date&submit=submit
ebl-442	www.ncbi.nlm.nih.gov	http://www.ncbi.nlm.nih.gov/pubmed/?term=weippert%20h%5bauth%5d
ebl-442	ebooks.iospress.nl	http://ebooks.iospress.nl/bookseries/proceedings-of-the-international-school-of-physics-enrico-fermi
ebl-442	ebooks.iospress.nl	http://ebooks.iospress.nl/bookseries/proceedings-of-the-international-school-of-physics-enrico-fermi
ebl-442	link.springer.com	http://link.springer.com/search?facet-creator=%22ian+kuijt%22