000 00351nam a2200145Ia 4500
020 _a8122203450
082 _b469
_a510
100 _a"Derrick Niederman"
245 0 _aMath Puzzles for Clever Mind
260 _bOrient Paperbacks
_aNew Dehli
_c2006
300 _a95
944 _cBK
999 _c256770
_d256770