000 00339nam a2200145Ia 4500
020 _a9781405808842
040 _cPK-LaCSN
082 _b2143_T
_a500
245 0 _aExploring science 4
260 _c2005;
_aLondon,
_bPearson Longman.
300 _a0
942 _2ddc
_cTB
999 _c734121
_d734121