00370nam a2200145Ia 4500003000500000008004100005020001800046040001900064082000700083100004000090245003500130260003900165300000800204546001200212STCL181203s9999 xx 000 0 und d a9788126512621 aSTCLbENcSTCL 222 aWelch, Patrick J.; Welch, Gerry F.  0aEconomics: Theory and Practice bJohn Wiley & SonsaNew Delhic2007 a544 aEnglish