Name	Info	Provider	Link
	subscription/membership/fee required	Ingenta plc	https://www.ingentaconnect.com/openurl?genre=article&issn=1389-5575&volume=8&issue=2&spage=97&aulast=Rodeiro
	subscription/membership/fee required	Bentham Science Publishers Ltd.	https://www.eurekaselect.com/82180/article