00346nam a2200121Ia 4500003000400000008004100004020001400045040000800059100002800067245008200095260003200177300001500209LDD181029s9999    xx            000 0 und d  a394492552  cLDD  aMitscherlich, Alexander 0aInability to mournbprinciples of collective behaviorcAlexander Mitscherlich  aNew YorkbGrove Pressc1975  axxxvii, 32