Bern

1. Bachmann, Hugo / Horisberger, Werner (1977): The Collapse and Reconstruction of a Prestressed Concrete Box-Section. In: IABSE Proceedings, v. 1 (November 1977), S. 1-19.

   https://doi.org/10.5169/seals-32462

2. Thormann, G. (1958): Edificio administrativo, en Berna. In: Informes de la Construcción, v. 10, n. 100 (April 1958), S. 41-47.

   https://doi.org/10.3989/ic.1958.v10.i100.5563