000 00526nam a22001817a 4500
008 230216b |||||||| |||| 00| 0 eng d
040 _aNational Science Library
_cNational Science Library
080 _aD 002
_bL0
100 _aVickery, B. C.
_9578
245 _aTechniques of information retrieval
260 _aLondon:
_bButterworths,
_c1970
300 _aviii, 262p.
650 _aInformation science
653 _aRetrieval
653 _aStructure of classification
653 _aSystem evaluation
942 _2udc
_cBK
999 _c1565
_d1565