{"@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/BA5660020X.json","@graph":[{"@id":"https://ci.nii.ac.jp/ncid/BA5660020X#entity","@type":"bibo:Book","foaf:isPrimaryTopicOf":{"@id":"https://ci.nii.ac.jp/ncid/BA5660020X.json"},"dc:title":[{"@value":"Efficiency in blasting coal : production of lump coal"}],"dc:creator":"by J.E. Tiffany and C.W. Nelson","dc:publisher":[{"@value":"Carnegie Institute of Technology"}],"dcterms:extent":"vi, 48 p.","cinii:size":"23 cm","dc:language":"eng","dc:date":"1924","cinii:ncid":"BA5660020X","cinii:ownerCount":"1","foaf:maker":[{"@id":"https://ci.nii.ac.jp/author/DA19811949#entity","@type":"foaf:Person","foaf:name":[{"@value":"Tiffany, J. E. (Joseph Edgar)"}]},{"@type":"foaf:Person","foaf:name":[{"@value":"Nelson, C. W."}]}],"bibo:owner":[{"@id":"https://ci.nii.ac.jp/library/FA001109","@type":"foaf:Organization","foaf:name":"北海道大学 大学院工学研究科・工学部図書室","rdfs:seeAlso":{"@id":"https://opac.lib.hokudai.ac.jp/opac/opac_openurl/?ncid=BA5660020X"}}],"prism:publicationDate":["1924"],"dcterms:isPartOf":[{"@id":"https://ci.nii.ac.jp/ncid/BA56417622#entity","dc:title":"Bulletin / Carnegie Institute of Technology, 11","@type":"bibo:Book"}]}]}