000 00291nam a2200133Ia 4500
008 230321s9999 xx 000 0 und d
082 _bKRI
100 _aKrishnamacharyula, V.
245 0 _aTo be Sure Teaching
250 _a1st
260 _bNeelkamal
_c2008
300 _a255
942 _cBK
999 _c2300
_d2300