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<http://www.wikidata.org/reference/839698c9776df2a987a714d37e6319a2820fccd7>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://wikiba.se/ontology#Reference> .
<http://www.wikidata.org/reference/839698c9776df2a987a714d37e6319a2820fccd7>	<http://www.wikidata.org/prop/reference/P248>	<http://www.wikidata.org/entity/Q5188229> .
<http://www.wikidata.org/reference/839698c9776df2a987a714d37e6319a2820fccd7>	<http://www.wikidata.org/prop/reference/P854>	<https://api.crossref.org/works/10.1126/SCIENCE.176.4032.252> .
<http://www.wikidata.org/reference/839698c9776df2a987a714d37e6319a2820fccd7>	<http://www.wikidata.org/prop/reference/value-normalized/P356>	<http://dx.doi.org/10.1126/SCIENCE.176.4032.252> .
<http://www.wikidata.org/reference/839698c9776df2a987a714d37e6319a2820fccd7>	<http://www.wikidata.org/prop/reference/value/P813>	<http://www.wikidata.org/value/80b840c5923bd4b79f8f0d153814ebc1> .