000 00286nam a22001097a 4500
999 _c519269
_d519269
082 _aPKP YA Sc26\X\c.2
100 _aN.C.E.R.T.
_930004
245 _aScience
_bTextbook for class X
_cby N.C.E.R.T.
260 _aNew Delhi
_bN.C.E.R.T.
_c2006
300 _a282p.
650 _aScience
_930005