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Graph: http://wumm.uni-leipzig.de:8891/sparql
http://opendiscovery.org/rdf/BIB/Altshuller_1985_a50a04 (EasyRdf\Resource)
rdf:type od:Reference
rdfs:comment "Petrozavodsk: 1985"
dcterms:issued "1985"
dcterms:title "Classification of the Inventive Principles"
od:hatVerweis http://opendiscovery.org/rdf/TBK1/V34
dcterms:creator odp:Altshuller_GS