00302    a2200109   4500020001500000082001600015100001900031245005200050260003500102300001900137650003600156  a8172730128  a025.04bGOP  aGopal, Krishan  aDigital libraries in electronic information era  aNew DelhibAuthorsc2000g2000  avi,216p.c22cm  aLibrary and information science