id	domain	url
easat-2678	creativecommons.org	https://creativecommons.org/licenses/by/4.0/)
easat-2678	creativecommons.org	https://creativecommons.org/licenses/by/4.0
easat-2678	doi.org	https://doi.org/10.1016/j.leaqua.2010.12.007
easat-2678	doi.org	https://doi.org/10.2307/20650284