@book{
  author = "Wehr, Gerhard, 1931-",
  title = "Martin Buber in Selbstzeugnissen und Bilddokumenten",
  year: [1968]
  publisher = "Rowohlt",
  address = "[Reinbek bei Hamburg]",
  series = "Rowohlts Monographien ; 147",
  ISSN/ISBN = "9783499501470 [3499501473]",
}