Effnertunnel

1. Wurzer, Otto / Wulf, Ralf / Scholz, Ulrich (2009): Der Ausbau des Mittleren Rings Ost in München. Dans: Bautechnik, v. 86, n. 11 (novembre 2009), pp. 710-718.

   https://doi.org/10.1002/bate.200910070

2. Wurzer, Otto / Scholz, Ulrich / Wulf, Ralf (2008): The MRO-Tunnel in Munich, Germany. Présenté pendant: 17th IABSE Congress: Creating and Renewing Urban Structures – Tall Buildings, Bridges and Infrastructure, Chicago, USA, 17-19 September 2008, pp. 276-277.

   https://doi.org/10.2749/222137908796292632