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005 20250619144943.0
008 250619s9999||||xx |||||||||||||| ||und||
020 _c£18
040 _aMAIN
041 _aEnglish
082 _a025.432
_bUNI
245 0 _aUniversal decimal classification
260 _b; British Standards Institution
300 _a32p.
650 _aLibrary Classification
650 _aLibrary Science
650 _aUdc
942 _cBK
999 _c117045
_d117045