000 00341nam a2200145Ia 4500
020 _a8172450680
082 _b1161
_a500
100 _a"Sethi, M. R."
245 0 _aScience Quiz
260 _bGoodwill Publishing House,
_aNew Delhi
_c1998
300 _a176
944 _cBK
999 _c473506
_d473506