000 00536nam a22001817a 4500
008 230215b |||||||| |||| 00| 0 eng d
040 _aNational Science Library
_cNational Science Library
080 _aD 002
_bJ0;1
100 _aBradford, S C
_9507
245 _aDocumentation
260 _aWashington, D.C.:
_bPublic Affairs Press,
_c1950
300 _a156p.
650 _aDocumentation
653 _aBibliography-methodology
653 _aInformation services
653 _aUniversal decimal classification
942 _2udc
_cREF
999 _c1362
_d1362