00894nam a22002177a 4500999001700000003000900017005001700026008004100043040003300084041000800117082001900125245014200144260002700286300001800313504005100331650004900382650003600431710007900467942001200546952011800558  c56830d56830BD-DhIDS20260520132330.0260520b1973     fr||||| |||| 00| 0 eng d  aBD-DhIDScBD-DhIDSdBD-DhIDS  aEng  aUN 021bUNESCO00aManpower in the field of documentation and library services /cUnited Nations Educational, Scientific and Cultural Organization (UNESCO)   aParis :bUNESCO,c1973  av.p :c30 cm.  aIncludes bibliographical references and index.04aLibrary relationshipsxDocumentation systems04aDocumentationxLibrary services1 aUnited Nations Educational, Scientific and Cultural Organization (UNESCO)   2ddccBK  00102ddc40708NFICaBIDSLDCbBIDSLDCcGENd2026-05-20oUN 021 UNESCOp037359r2026-05-20tC-01w2026-05-20yBK