Name	Info	Provider	Link
	free resource	J-STAGE, Japan Science and Technology Information Aggregator, Electronic	https://joi.jlc.jst.go.jp/JST.JSTAGE/bbb/80227?lang=en&from=PubMed
	subscription/membership/fee required	Taylor & Francis	https://www.tandfonline.com/doi/full/10.1271/bbb.80227
SILVA SSU Database	free resource	SILVA	http://www.arb-silva.de/search/show/ssu/pubid/18997416
	subscription/membership/fee required	Silverchair Information Systems	https://academic.oup.com/bbb/article-lookup/doi/10.1271/bbb.80227