000 00422nam a22001577a 4500
008 230313b |||||||| |||| 00| 0 eng d
040 _aNational Science Library
_cNational Science Library
080 _aD 025.45
_bUDC K9
100 _aPerreault, Jean M
245 _aIntroduction to UDC
260 _aLondon:
_bClive Bingley,
_c1969
300 _a111p.
650 _aLibrary science
653 _aUDC
942 _2udc
_cBK
999 _c8131
_d8131