Name	Info	Provider	Link
Cited by Patents in	free resource	The Lens - Patent Citations	https://www.lens.org/lens/search/patent/list?q=citation_id:9561729
	subscription/membership/fee required	Silverchair Information Systems	https://academic.oup.com/femsle/article-lookup/doi/10.1111/j.1574-6968.1998.tb12924.x