000 00257nam a2200097Ia 4500
008 190719s9999 xx 000 0 und d
100 _aSunita Gupta/ Nina Aggarwal
245 0 _aChildren's knowledge bank
260 _aNew Delhi
_bPustak Mahal
_c1992
942 _cBK
999 _c8718
_d8718