000 00492nam a22001577a 4500
008 230322b |||||||| |||| 00| 0 eng d
040 _aNational Science Library
_cNational Science Library
080 _aD 05.45:621.3
_bK3
100 _aMoulijn, Eco
_94312
245 _aUniversity decimal classification with special regard to electrical engineering
260 _aThe Hague:
_bFID,
_c1963
300 _a9p.
650 _aLibrary science
653 _aclassification
942 _2udc
_cBK
999 _c12559
_d12559