000 00227nam a22000857a 4500
008 161210b xxu||||| |||| 00| 0 eng d
100 _91970
_aVerma.P.S.etal.
245 _aBiology- Part-3 Class-IX
260 _aNew Delhi
_bS. Chand
_c2011
999 _c4768
_d4768