000 00335nam a2200145Ia 4500
020 _a156565269x
082 _b3686
_a510
100 _a"Zondra Knapp"
245 0 _aSuper Math Tricks
260 _bNTC Publishing Group
_aLondon
_c1999
300 _a64
944 _cR
999 _c258619
_d258619