00513nam a2200181 a 450000500170000008200160001710000170003324500390005026000420008930000220013169000240015369000200017770000160019796400160021399700130022999900190024295200700026120251203110908.0  a020.28bSAR  aSardana, J.L  aStatistical methods for librarians  aNew DelhibEss Ess Publicationsc1996  a214p.c18 cm.cHB  aLibrary statistical  aLibrary science  aSehgal, R.L  bcdefg_  a127738 C  c106580d106580  00104070aPUbPUd2008-02-14g160.00l0o020.28 SARp127738yBK