Name	Info	Provider	Link
	free resource	Elsevier Science	https://linkinghub.elsevier.com/retrieve/pii/S0032-5791(19)38904-7
Cited by Patents in	free resource	The Lens - Patent Citations	https://www.lens.org/lens/search/patent/list?q=citation_id:19096066
	subscription/membership/fee required	Silverchair Information Systems	https://academic.oup.com/ps/article-lookup/doi/10.3382/ps.2008-00200