id	domain	url
app01-2423	dx.doi.org	http://dx.doi.org/10.14311/app.2014.01.0298
app01-2423	www.spaceops2012.org	http://www.spaceops2012.org/proceedings
app01-2423	dx.doi.org	http://dx.doi.org/10.1007/s10509-010-0581-x
app01-2423	dx.doi.org	http://dx.doi.org/10.1007/s10509-006-9057-4
app01-2423	dx.doi.org	http://dx.doi.org/10.1007/s10509-009-0005-y
app01-2423	dx.doi.org	http://dx.doi.org/10.1007/s10509-010-0589-2
app01-2423	dx.doi.org	http://dx.doi.org/10.1088/0004-637x/724/2/1389