000 00550nam a22001817a 4500
008 230310b |||||||| |||| 00| 0 eng d
040 _aNational Science Library
_cNational Science Library
080 _aD 025.45
_bK1;M5.2;13
245 _aUniversal decimal classification
260 _aLondon:
_bBritish Standards Institution,
_c1988
300 _a617p.
490 _aFID publication no. 571
500 _aPart 2. (Alphabetical subject index)
650 _aLibrary science
653 _aClassification
653 _aNature
942 _2udc
_cREF
999 _c7451
_d7451