000 00314nam a2200145Ia 4500
020 _a9780602575168
082 _bT242
_a-
100 _a"MERTTENS RUTH"
245 0 _aABACUS EVOLVE
260 _aPAKISTAN
_c2016
300 _a80
944 _cTB
999 _c706857
_d706857