000 00264nam a2200109Ia 4500
008 240421s9999 xx 000 0 und d
100 _aVamadevappa, H.V.
245 0 _aUnderachievement In Biology
260 _aNew Delhi
_bDPH
_c2006
300 _a161p.
942 _cBK
999 _c12727
_d12727