000 00474nam a22001697a 4500
008 230310b |||||||| |||| 00| 0 eng d
040 _aNational Science Library
_cNational Science Library
080 _aD 025.45
_bM1
245 _aUniversal decimal classification
250 _a4th ed.
260 _aLondon:
_bBritish Standards Institution,
_c1955
300 _a51p.
650 _aLibrary science
653 _aClassification
653 _aNature
942 _2udc
_cREF
999 _c7512
_d7512