Name	Info	Provider	Link
	subscription/membership/fee required	Wiley	https://doi.org/10.1002/(sici)1097-0215(19970620)74:3<286::aid-ijc9>3.0.co;2-v
Cited by Patents in	free resource	The Lens - Patent Citations	https://www.lens.org/lens/search/patent/list?q=citation_id:9221806