000 00539nam a22001817a 4500
008 230310b |||||||| |||| 00| 0 eng d
040 _aNational Science Library
_cNational Science Library
080 _aD 025.45
_bK1-9
245 _aUniversal decimal classification
250 _a3rd ed.
260 _aLondon:
_bBritish Standards Institution,
_c1961
300 _a254p.
500 _aB. S. 1000A: 1961 (Abridged english edition)
650 _aLibrary science
653 _aClassification
653 _aNature
942 _2udc
_cREF
999 _c7527
_d7527