00320nam a2200121Ia 4500008004100000082001400041100002400055245003700079260004500116300001300161942000700174999001700181190709s9999    xx            000 0 und d  a909 B664M  aBoulding, Kenneth E 0aMeaning of the twentieth century  aNew YorkbHarper and Row Publisherc1964  axvi, 199  cBK  c39967d39967