@{,
author = {M. Efkens,},
year = {1961},
pages = {158-167},
title = {Richtlinien für die Sexualerziehung in der Berliner Schule},
publisher = {https://digital.katalog.queersearch.org/s/katalog/item/47726},
booktitle = {Erziehung zur Sexualität}
}