
X + YY: Formel des Bösen
- İl: 1970
- Ölkə: Germany
- Janr: Crime, Thriller
- Studiya: Brünnstein-Film
- Açar söz: exploitation, playboy, serial killer, hormones
- Direktor: Pavle Jovic, Teja Piegeler
- Oyuncu: Ljubiša Samardžić, Kai Fischer, Miloje 'Mića' Orlović, Albert Hehn, Leonina Pavlović, Stefan Zessner