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Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	Document types indexed include research reports, books, journal articles, and audiovisual materials. 1956-.
http://www.w3.org/ns/prov#wasQuotedFrom	libguides.com