@{,
author = {https://digital.katalog.queersearch.org/s/katalog/item/39961,},
year = {1981},
title = {Der schwarze Freitag der SA: Der Röhm-Putsch},
publisher = {https://digital.katalog.queersearch.org/s/katalog/item/47902},
isbn = {3-453-01379-4}
}