00385nam a2200157Ia 4500 6641 20261006003946.0 120911s9999 xx 000 0 und d 0538813059 330 AMA Amacher, Ryan C. / Ulbrich, Holley H. 6602 Principles of economics 5th ed. South-Western Economics 6641 6641 0 0 0 0 NU NU 2012-09-11 0 330 AMA 7711 2012-09-11 00:00:00 2012-09-11 OS