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<http://webisa.webdatacommons.org/158332043>	<http://www.w3.org/ns/prov#value>	"factors except light were the same during both periods, the nocturnal phase of ac-" .
<http://webisa.webdatacommons.org/158332043>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<archive.org> .