000 00318nam a22001214a 4500
082 _a923.254 CHA.D
084 _2Colon Classification
100 _aChandrasekhara N S ,
245 _aDevan Rangacharlu
_cby N S Chandrasekhara
260 _aDelhi:
_bPublications division.
650 _aDevan Rangacharlu
942 _cBK
999 _c349931
_d349931