00505nam a2200169 a 450000500170000002000150001708200130003210000160004524500460006126000450010730000220015269000360017496400300021099700120024099900170025295200660026920251203110053.0  a8171695329  a020bKOC  aKochar,R.S.  aModern library and information facilities  aNew DelhibCommonwealth Publishersc1998  a246p.c23 cm H.B.  aLibrary and Information science  bENGLISHcd020eBOOKfg_  a96274 C  c76723d76723  00104070aPUbPUd2000-03-03g425.00l0o020 KOCp96274yBK