@book { SexualittundsexuellePerversionen, title = "Sexualität und sexuelle Perversionen", subtitle = "Sexuality and Sexual Perversions", author = "Erich {Fromm} and Rainer {Funk}", year = "2015", publisher = "Edition Erich Fromm", address = "München, Deutschland", url = "https://books.openpublishing.com/document/307238" }