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	subscription/membership/fee required	Elsevier Science	https://linkinghub.elsevier.com/retrieve/pii/S0960-8524(13)00033-3
Full text from	free resource	CORE	https://core.ac.uk/reader/186631966?utm_source=linkout
	free resource	scite Smart Citations	https://scite.ai/reports/23384822