000 00389nam a2200157Ia 4500
020 _a0195774426
040 _cPK-LaCSN
082 _b202_T
_a500
100 _a"Horsburgh, Nicholas"
245 0 _aOxford primary science 4
260 _c1997,
_aKarachi,
_bOxford university press.
300 _a103
942 _2ddc
_cTB
999 _c732201
_d732201