id	domain	url
alkej-320	dx.doi.org	http://dx.doi.org/10.22153/kej.2016.05.002
alkej-320	dx.doi.org	http://dx.doi.org/10.22153/kej.2016.05.002
alkej-320	www.solar-updraft-tower.com	www.solar-updraft-tower.com