Name	Info	Provider	Link
	subscription/membership/fee required	American Physical Society	https://link.aps.org/abstract/PRL/v112/p198303
Full text from	free resource	Institutional Repository of University of Modena and Reggio Emilia (IRIS UNIMORE)	https://iris.unimore.it/retrieve/handle/11380/1044714/44709/cocc+14prl.pdf
	free resource	scite Smart Citations	https://scite.ai/reports/24877971