00285    a2200109   4500020001500000082001800015100001700033245003900050260003500089300001600124650003500140  a8170002311  a023.1511bSEH  aSehgal, R.I.  aStatistical techniques for library  aNew DelhibEss Essc1998g1998  a410p.c22cm  aLibrary & Information sciences