000 00298nam a2200121 4500
020 _a9788170004233
082 _a025.435 RAN/COL;2
100 _aRanganathan,S R
245 _aColon classification
_cS R Ranganathan
250 _a6
260 _aNew Delhi
_bESS ESS publication
_c2016
942 _cREF
999 _c383354
_d383354