author = { Sieber, Georg },

title = { Die Altersrevolution },

publisher = {) Benziger},

isbn = {3545370798},

keywords = { Age and employment Switzerland , Older people Switzerland , Rolle , Gesellschaft , Soziale Integration , Gerontologie , Erwachsenenalter , Alter },

year = {1972},

booktitle = {Benziger-Sachbuch},

address = { (Zürich, Köln },

url = { http://slubdd.de/katalog?TN_libero_mab2 }