000			00622nam a22001577a 4500
008			230313b |||||||| |||| 00| 0 eng d
040			_aNational Science Library _cNational Science Library
080			_aD 025.45 _bN3.1;2
245			_aUniversal decimal classification: _bInternational medium edition, english text _c/ Information and Documentation Standards Policy committee
250			_a2nd ed.
260			_aLondon: _bInformation and Documentation Standards Policy committee, _c1993
500			_3Part 1.(Systematic tables); xxiv, 914p.
650			_aLibrary science
653			_aClassification
942			_2udc _cREF
999			_c7887 _d7887