X + YY: Formel des Bösen
- Ane: 1970
- Peyi: Germany
- Stil: Crime, Thriller
- Studio: Brünnstein-Film
- Mo kle: exploitation, playboy, serial killer, hormones
- Direktè: Pavle Jovic, Teja Piegeler
- Distribisyon: Ljubiša Samardžić, Kai Fischer, Miloje 'Mića' Orlović, Albert Hehn, Leonina Pavlović, Stefan Zessner
