Name	Info	Provider	Link
	subscription/membership/fee required	Ingenta plc	https://www.ingentaconnect.com/openurl?genre=article&issn=&volume=17&issue=5&spage=480&aulast=Frydman
	subscription/membership/fee required	Bentham Science Publishers Ltd.	https://www.eurekaselect.com/140118/article
	free resource	scite Smart Citations	https://scite.ai/reports/27398421