00322nam a2200109 a 450000500170000002000150001708200190003210000160005124500860006726000400015330000190019320251203111151.0  a8170003423  a025.00285bDHI  aDhiman, A.K  aBasics of information technology for librarians & information scientists (2 Vol.)  aNew DelhibEss Ess pulicationc2003  a2v.c22cm.bHB