000 00345nam a2200145Ia 4500
020 _a9780195470611
082 _bT-2544
_a500
100 _a"Copper,David"
245 0 _aScience Fact File 2
260 _bOxford University Press
_aKarachi
_c2008
300 _a121
944 _cTR
999 _c53088
_d53088