http://dewey.info/scheme/e22/
600 Technologie
600 Technologie
600 Technologie 601 Philosophie et théorie 602 Ouvrages divers 603 Dictionnaires et encyclopédies 604 Sujets particuliers 605 Publications en série 606 Organisations 607 Étude et enseignement, recherche et sujets connexes 608 Inventions et brevets d’invention 609 Traitement historique, géographique et relatif à des personnes
Dewey Decimal Classification: Summaries
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