Variable and Non-spherical Stellar Winds in Luminous Hot Stars Proceedings of the IAU Colloquium No. 169 Held in Heidelberg, Germany, 15–19 June 1998 Wolf, Bernhard Heftet / 2014 / Engelsk
Structured Biological Modelling A New Approach to Biophysical Cell Biology Kraus Michael Innbundet / 1995 / Engelsk
Der Anti-Stress-Trainer für Gastronomen Rezepte für Leichtigkeit Brenner, Andrea Heftet / 2018 / Tysk