X + YY: Formel des Bösen
- Bliain: 1970
- Tír: Germany
- Seánra: Crime, Thriller
- Stiúideo: Brünnstein-Film
- Eochairfhocal: exploitation, playboy, serial killer, hormones
- Stiúrthóir: Pavle Jovic, Teja Piegeler
- Caitheadh: Ljubiša Samardžić, Kai Fischer, Miloje 'Mića' Orlović, Albert Hehn, Leonina Pavlović, Stefan Zessner
