Name	Info	Provider	Link
	subscription/membership/fee required	BioOne	https://doi.org/10.1667/0033-7587(2000)154[0020:gdiseo]2.0.co;2
	subscription/membership/fee required	Silverchair Information Systems	https://meridian.allenpress.com/radiation-research/article-lookup/doi/10.1667/0033-7587(2000)154[0020:gdiseo]2.0.co;2