000 00331nam a2200145Ia 4500
020 _a9780602575809
082 _bT-311
_a510
100 _a"RUTH MERTTENS AND DAVID KIRKBY"
245 0 _aABACUS EVOLVE TEXTBOOK 2
260 _c0
300 _a0
944 _cTR
999 _c156947
_d156947