id	domain	url
ccsj-324	doi.org	https://doi.org/10.1525/ae.1974.1.1.02a00030
ccsj-324	doi.org	http://doi.org/10.1155/2016/5182768
ccsj-324	doi.org	https://doi.org/10.1016/j.entcom.2019.100298
ccsj-324	www.gamasutra.com	https://www.gamasutra.com/blogs/dougstewart/20170411/295806/colo