00377nam a2200133Ia 450000100060000000800410000604000130004708200190006010000190007924500870009826000400018530000110022554600070023618770140407s9999    xx            000 0 und d  cPK-LaUMT  a 330.12bWRI-E  aChester Wright  aEconomics and systems analysis:bIntroduction for public managers.cChester Wright  aReading,USA:bAddison-Wesley,c1973  a250 p.  aEN