By Heim, Urs, Pfeiffer, Karl M., Oberli, K., Brennwald, J., Geel, C., Jakob, Roland Peter, Rüedi, Thomas, Simmen, B., Stäubli, H.U., Telger, Terry C.
By Ulmer, H.E., Wille, L., Obladen, M., Merritt, A., Telger, T.C.
