000 00586nam a22001697a 4500
008 230322b |||||||| |||| 00| 0 eng d
040 _aNational Science Library
_cNational Science Library
080 _aD 025.45:621.3
_bK4;L5;1
245 _aUniversal decimal classification:
_bSecond english full edition
_c/ British standards institution
260 _aLondon:
_bBritish standards institution,
_c1975
300 _a79p.
490 _v483
_aFID
500 _aUDC 621.3 electrical engineering
650 _aLibrary science
653 _aClassification scheme
942 _2udc
_cBK
999 _c12513
_d12513