Prehn, H. The Neuro-loop: Biofeedback Interfaces / Horst Prehn. Sciences of the interface : proceedings of the International Symposium Sciences of the Interface, ZKM, Center for Art and Media, Karlsruhe Germany, May 18-21, 1999.(2001).
Chicago-viite (17. p.)Prehn, Horst. "The Neuro-loop: Biofeedback Interfaces / Horst Prehn." Sciences of the Interface : Proceedings of the International Symposium Sciences of the Interface, ZKM, Center for Art and Media, Karlsruhe Germany, May 18-21, 1999.(2001) .
MLA-viite (8. p.)Prehn, Horst. "The Neuro-loop: Biofeedback Interfaces / Horst Prehn." Sciences of the Interface : Proceedings of the International Symposium Sciences of the Interface, ZKM, Center for Art and Media, Karlsruhe Germany, May 18-21, 1999.(2001), .