_:b57946389	<http://www.w3.org/ns/oa#exact>	"wave amplitudes" .
_:b57946388	<http://www.w3.org/ns/oa#hasSource>	<http://ns.inria.fr/covid19/arg/09501b38bc2ec12f6622386c00e64db37ed48e8c/1> .
_:b57946388	<http://www.w3.org/ns/oa#hasSelector>	_:b57946389 .
_:b57946389	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/oa#TextQuoteSelector> .