Christian Butrón
- Drip sealing of tunnels in hard rock: A new concept for the design and evaluation of permeation grouting. In: Tunnelling and Underground Space Technology, v. 25, n. 2 (March 2010). (2010):
- Silica sol for rock grouting: Laboratory testing of strength, fracture behaviour and hydraulic conductivity. In: Tunnelling and Underground Space Technology, v. 24, n. 6 (November 2009). (2009):