Lehmann, Hans-thies (johann Wolfgang Goethe-universitat, Germany) (1) Mifsud, Borbala (queen Mary University London, Zarnack, Kathi (goethe University, Bardet, Anais F (1) Senge, Peter, Scharmer, C. Otto, Jaworski, Joseph, Flowers, Betty Sue (1) Tokmakidou, Stella, Efthimiadou, Noula, Vosswinkel, Annette, Georgiakaki, Manuela (1) Glotz-kastanis, Jo, Kaltsas, Petra, Tokmakidou, Stella, Vosswinkel, Annette (1)