id	domain	url
app01-2940	dx.doi.org	http://dx.doi.org/10.14311/app.2015.02.0331
app01-2940	dx.doi.org	http://dx.doi.org/10.1007/bf00653467
app01-2940	dx.doi.org	http://dx.doi.org/10.1007/bf00637779