00640nam a22002297a 450000500170000001000130001702000100003003500130004003700160005304000120006908200160008110000270009724500720012424600060019626000400020227000520024230000320029449000060032650000320033265000220036465000240038620170124105913.0  aA-245062  c95.00  aA-245062  bCen Lib/Ret  aDPLbEN  a021.64bVER  aVerma, Subhash Chandra  aNational library and information system /cby Subhash Chandra Verma  b   bPrintwell Publishers c1985aJaipur  ac-123, mangal margh, bapu nagarbJaipure302015  avii, 172p.:c21cm(Hb)bill.  a   aincludes appendix and index  aLibrary Sciences   aInformation Systems