id	domain	url
easat-4812	creativecommons.org	https://creativecommons.org/licenses/by/4.0/)
easat-4812	doi.org	https://doi.org/10.1080/08873267.1993.9976903
easat-4812	creativecommons.org	https://creativecommons.org/licenses/by/4.0
easat-4812	doi.org	https://doi.org/10.1080/08873267.1993.9976903