Helga Kessler Aurisch...[et al. Helga Kessler Aurisch...[et al.] with essays by Helga Kessler Aurisch...[et al. Helga Kessler Aurisch Helga Kessler Aurisch and Tanya Paul Carmen Morsch...[et al. Dave Ulrich...[et al. Helga Kessler-Aurisch Jorg Friedrich...[et al. Michael H. Frisch ... [et al.