X + YY: Formel des Bösen
- Viti: 1970
- Vendi: Germany
- Zhanri: Crime, Thriller
- Studio: Brünnstein-Film
- Fjalen: exploitation, playboy, serial killer, hormones
- Drejtori: Pavle Jovic, Teja Piegeler
- Cast: Ljubiša Samardžić, Kai Fischer, Miloje 'Mića' Orlović, Albert Hehn, Leonina Pavlović, Stefan Zessner
