000 00330nam a2200133Ia 4500
008 240112s9999 xx 000 0 und d
082 _aBYR-E4
_b330
100 _aByrns, Ralph T; Stone, Geraled W
245 0 _aEconomics
250 _a4
260 _a London
_bScott Foresman & Company
_c1989
650 _aEconomics
942 _cBK
999 _c12409
_d12409