00277nam a2200109 a 450000500170000008200110001710000200002824500330004826000410008130000210012263000240014320251203092024.0  a020b_  aRajasekharan, K  aAcademic Library development  aNew DelhibEss Ess Publicationc1991  a94p.c22 cm.bHB  aLibrary development