00490nam a2200169Ia 4500001000500000005001700005008004100022020001500063082001200078100002800090245006200118250001200180260000900192650001400201999001500215952009000230230520261006003618.0120911s9999    xx            000 0 und d  a0194424545  a330 LIP  aLipsey, Richard G.9698  aAn introduction to positive economics / Richard G. Lipsey  a8th ed.  aElbs  aEconomics  c2305d2305  00104070aNUbNUd2012-09-11l0o330 LIPp2053r2012-09-11 00:00:00w2012-09-11yOS