{"@context":{"owl":"http://www.w3.org/2002/07/owl#","bibo":"http://purl.org/ontology/bibo/","foaf":"http://xmlns.com/foaf/0.1/","rdfs":"http://www.w3.org/2000/01/rdf-schema#","prism":"http://prismstandard.org/namespaces/basic/2.0/","cinii":"http://ci.nii.ac.jp/ns/1.0/","dc":"http://purl.org/dc/elements/1.1/","dcterms":"http://purl.org/dc/terms/"},"@id":"https://ci.nii.ac.jp/ncid/BB16963191.json","@graph":[{"@id":"https://ci.nii.ac.jp/ncid/BB16963191#entity","@type":"bibo:Book","foaf:isPrimaryTopicOf":{"@id":"https://ci.nii.ac.jp/ncid/BB16963191.json"},"dc:title":[{"@value":"An index of the physical volume of production"}],"dc:creator":"by Edmund E. Day","dc:publisher":[{"@value":"Statistical Service of the Harvard University Committee on Economic Research"}],"dcterms:extent":"70 p.","cinii:size":"37 cm","dc:language":"eng","dc:date":"1921","cinii:ncid":"BB16963191","cinii:ownerCount":"1","foaf:maker":[{"@id":"https://ci.nii.ac.jp/author/DA06206712#entity","@type":"foaf:Person","foaf:name":[{"@value":"Day, Edmund E."}]}],"bibo:owner":[{"@id":"https://ci.nii.ac.jp/library/FA002010","@type":"foaf:Organization","foaf:name":"一橋大学 附属図書館","rdfs:seeAlso":{"@id":"https://opac.lib.hit-u.ac.jp/opac/opac_openurl/?ncid=BB16963191"}}],"prism:publicationDate":["1921"],"cinii:note":["\"Reprinted from the Review of economic statistics, September 1920-January 1921\""]}]}