@{,
author = {https://digital.katalog.queersearch.org/s/katalog/item/43154,},
year = {1928},
title = {[Werbeblatt für] Hirschfeld/Linsert: Empfängnisverhütung},
publisher = {https://digital.katalog.queersearch.org/s/katalog/item/43154}
}