id	domain	url
esrj-54144	dx.doi.org	http://dx.doi.org/10.15446/esrj.v20n1.54144
esrj-54144	dx.doi.org	http://dx.doi.org/10.15446/esrj.v20n1.54144
esrj-54144	dx.doi.org	http://dx.doi.org/10.2118/8205-ms
esrj-54144	dx.doi.org	http://dx.doi.org/10.2118/26912-ms
esrj-54144	dx.doi.org	http://dx.doi.org/10.2118/26177-ms