000 00523nam a22001817a 4500
008 230216b |||||||| |||| 00| 0 eng d
040 _aNational Science Library
_cNational Science Library
080 _aD 002:001.815
_bL0
100 _aSharp, John R
_9642
245 _aInformation retrieval:
_bNotes for students
260 _aLondon:
_bAndre Deutsch,
_c1970
300 _a90p.
650 _aInformation science
653 _aClassification
653 _aIndexing languages
653 _aThesaurus
942 _2udc
_cBK
999 _c1717
_d1717