000 00572nam a22001577a 4500
008 230310b |||||||| |||| 00| 0 eng d
040 _aNational Science Library
_cNational Science Library
080 _aD 025.4:001.816
_bK9
245 _aApplicability of the NASA thesaurus to the file of documents indexed prior to its publication
_c/University of Pittsburgh
260 _aPittsburgh:
_bUniversity of Pittsburgh,
_c1969
300 _a205p.
650 _aInformation sciences
653 _aTaxonomic approach
653 _aLibrary education
942 _2udc
_cBK
999 _c7374
_d7374