000 00338nam a2200145Ia 4500
008 220926s9999 xx 000 0 und d
100 _aRalph T Byrus & Gerold W Stone
245 0 _aEconomics
250 _a5th Ed
260 _aNew york
260 _bHarbercollins Publications
260 _c1992
650 _aEconomics
942 _cBK
999 _c24328
_d24328