00326nam a2200145Ia 4500001000500000005001700005008004100022020001500063082001600078100001800094245003000112250001200142260001200154650001400166477720261006003817.0120911s9999    xx            000 0 und d  a0063121565  a330.994 WAU  aWaud, Roger N  aEconomics / Roger N. Waud  a3rd ed.  aLongman  aEconomics