000 00278nam a2200109 4500
020 _a8170004667
082 _a025.52 RAN/REF;2
100 _aRanganathan S R
245 _aReference Service
_cby S R Ranganathan
260 _aNew Delhi
_bEss Ess Publications
_c2006
942 _cREF
999 _c381829
_d381829