000 00464nam a22001577a 4500
008 230313b |||||||| |||| 00| 0 eng d
040 _aNational Science Library
_cNational Science Library
080 _aD 025.45
_bM3
100 _aSardana J L
245 _aUniversal decimal classification:
_bStructure and methodology
260 _aNew Delhi:
_bEss Ess Publications,
_c1983
300 _a194p.
650 _aLibrary science
653 _aDDC
942 _2udc
_cBK
999 _c8202
_d8202