Name	Info	Provider	Link
Full text from	free resource	Zurich Open Access Repository and Archive	https://doi.org/10.5167/uzh-153887
Cited by Patents in	free resource	The Lens - Patent Citations	https://www.lens.org/lens/search/patent/list?q=citation_id:9170265
SILVA SSU Database	free resource	SILVA	http://www.arb-silva.de/search/show/ssu/pubid/9170265
	subscription/membership/fee required	Silverchair Information Systems	https://academic.oup.com/femsle/article-lookup/doi/10.1016/s0378-1097(97)00118-3