000 00291nam a2200121Ia 4500
008 221001s1989 xx 000 0 eng d
082 _a153.9 NAR
100 _aNarula, Ravi
245 0 _aBrain teasers
260 _aDelhi
_bJaico Publishing House
_c1989
300 _a217p.
942 _2ddc
_cBK
999 _c28002
_d28002