000 00332nam a2200145Ia 4500
020 _a0000000000
082 _b792
_a000
100 _a"LEONARD,JONATHAN,NORTON"
245 0 _aMATHEMATICS
260 _b,TIME LIFE
_aHONGKONG
_c1992
300 _a200
944 _cR
999 _c684534
_d684534