@book { DieIdeeeinerWeltkonferenz, title = "Die Idee einer Weltkonferenz", subtitle = "The Idea of a World Conference", author = "Erich {Fromm} and Rainer {Funk}", year = "2015", publisher = "Edition Erich Fromm", address = "München, Deutschland", url = "https://books.openpublishing.com/document/307252" }