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SDNB
004 Data processing Computer sciences070 News media, journalismn, publishing333.7 Natural resources, energy and environment380 Commerce, communications, transport510 Mathematics530 Physics621.3 Electrical Engineering, Electronics710 Civic & landscape art860 Spanish & Portuguese literatures890 Literatures of other languages914.3 Geography & travel Germany940 General history of EuropeB Fiction booksK Children's and youth literature