000 00309nam a22001214a 4500
082 _a891.431 NAR.V
084 _2Colon Classification
100 _aNarayana pillai P K ,
245 _aVishvabhanuh
_cby P K Narayana pillai
260 _aTrivandrum:
_bJai vihar.
_c1980
650 _aVishvabhanuh
942 _cBK
999 _c350191
_d350191