000 00265cam a22001211 4500
041 0 _aengsan
084 _2Colon Classification
245 1 4 _aCall /
250 _a[2d ed.]
260 _aBombay :
_bBharatiya Vidya Bhavan,
_c1960.
300 _a314p. :
942 _cBK
999 _c645393
_d645393