Name	Info	Provider	Link
	subscription/membership/fee required	Ingenta plc	https://www.ingentaconnect.com/openurl?genre=article&issn=&volume=7&issue=11&spage=1068&aulast=Ujjainwalla
	subscription/membership/fee required	Bentham Science Publishers Ltd.	https://www.eurekaselect.com/78415/article
Cited by Patents in	free resource	The Lens - Patent Citations	https://www.lens.org/lens/search/patent/list?q=citation_id:17584127