000 00286nam a2200121 4500
082 _a370
_bMAH.D
084 _2Colon Classification
100 _aMahadevan
245 _aDynamics /
_cby Mahadevan
260 _bTamil nadu text book society,
_c1970.
650 _aEconomics
942 _cBK
999 _c681986
_d681986