id	domain	url
esrj-54141	dx.doi.org	http://dx.doi.org/10.15446/esrj.v20n1.54141
esrj-54141	dx.doi.org	http://dx.doi.org/10.15446/esrj.v20n1.54140
esrj-54141	dx.doi.org	http://dx.doi.org/10.1088/1742-2132/11/4/045008