Elvers, Karl-Ludwig (Bochum) and Lohmann, Hans (Bochum)

Lafond, Yves (Bochum) and Strothmann, Meret (Bochum)

Andrae, Janine (Bochum) and Hendricks, Judith (Bochum)

Binder, Gerhard (Bochum) and Saiko, Maren (Bochum)

Lafond, Yves (Bochum) and Senff, Reinhard (Bochum)

Pingel, Volker (Bochum) and Spickermann, Wolfgang (Bochum)

Lafond, Yves (Bochum) and Pingel, Volker (Bochum)

Elvers, Karl-Ludwig (Bochum) and Müller, Christian (Bochum)

Elvers, Karl-Ludwig (Bochum) and Müller, Christian (Bochum)