Name	Info	Provider	Link
	subscription/membership/fee required	Ingenta plc	https://www.ingentaconnect.com/openurl?genre=article&issn=0929-8665&volume=12&issue=7&spage=695&aulast=Pereira
	subscription/membership/fee required	Bentham Science Publishers Ltd.	https://www.eurekaselect.com/79050/article