000 00358nam a2200157Ia 4500
020 _a9780602575724
040 _cPK-LaCSN
082 _b138-T
_a510
100 _a"Merttens Ruth"
245 0 _aAbacus Evolve 4 Textbook 1
260 _aOxford
_c2007
300 _a80
942 _2ddc
_cTR
999 _c764979
_d764979