000 00277nam a22001217a 4500
999 _c293374
_d293374
003 OSt
082 _aREK/AM
100 _aRekha Chandra
245 _a500 Amazing questions and answers
260 _aNew Delhi
_bGoodwill Publishing
_c1967
546 _aEnglish
942 _2ddc
_cBK