000 00328nam a2200145Ia 4500
020 _a9780602575878
082 _b3606
_a510
100 _a"MERTTENS, RUTH"
245 0 _aAbacus Evolve 6 Textbook 2
260 _aoxford
_c2007
300 _a80
944 _cTR
999 _c540064
_d540064