000 00365nam a2200145Ia 4500
020 _a9788171824083
082 _b180
_a510
100 _a"Chaturvedi, B. K."
245 0 _aMathematical Puzzles and Brain Twisters
260 _bDiamond Pocket Books
_aIndia
_c2004
300 _a158
944 _cBK
999 _c138155
_d138155