000 00357nam a2200145Ia 4500
020 _a0195847628
082 _b2297
_a530
100 _a"Balakrishna Vyjanfhimola"
245 0 _aExploring Science -1
260 _bOxford University Press
_aPakistan
_c1992
300 _a288
944 _cTR
999 _c699336
_d699336