00454nam a2200169Ia 4500 15002 20261006004639.0 120911s9999 xx 000 0 und d 0194424510 330 LIP Lipsey, Richard G 698 An introduction to positive economics / Richard GLipsey 7th ed. Oxford ; New York : Oxford University Press,c1987 pcm. Economics 15002 15002 0 0 0 0 NU NU 2012-09-11 0 330 LIP 13038 2012-09-11 00:00:00 2012-09-11 OS