000 00355nam a2200157Ia 4500
008 221102s9999 xx 000 0 und d
082 _a330 BYR
100 _aByrns, Ralph T
245 0 _aEconomics
250 _a4th ed.
260 _bScott Foresman
_aLondon
_c1989
300 _a846 p.
650 _aEconomcis
700 _aStone, Gerald W
942 _cBK
999 _c397
_d397