000 00289nam a2200121Ia 4500
008 220201s1988 xx 000 0 eng d
082 _a500.3
_bGUP
100 _aGupta,Sunita
245 0 _aJuniour Science Encyclopedia
260 _bPustak Mahal
_aDelhi
_c1988
300 _a252
942 _2ddc
999 _c6082
_d6082