Name	Info	Provider	Link
	subscription/membership/fee required	Ingenta plc	https://www.ingentaconnect.com/openurl?genre=article&issn=0929-8665&volume=10&issue=2&spage=191&aulast=Havt
	subscription/membership/fee required	Bentham Science Publishers Ltd.	https://www.eurekaselect.com/81104/article