@prefix rdf: . @prefix rdfs: . @prefix owl: . @prefix skos: . @prefix xl: . @prefix rdag1: . @prefix rda: . @prefix rdaa: . @prefix frbrent: . @prefix foaf: . @prefix ndl: . @prefix dct: . foaf:primaryTopic ; rdf:type ; dct:modified "2024-01-22T10:16:32"; dct:created "1997-03-31"; xl:prefLabel [xl:literalForm "Engel, Robert, 1942-"]; rdfs:label "Engel, Robert, 1942-"; dct:source "有機化学問題の解き方","LCCN: n2011081992"; skos:exactMatch ,; skos:inScheme ; skos:historyNote "生年追加 (20170131)". rdf:type ; foaf:name "Robert Engel"; rda:dateOfBirth "1942".