Oskar Sigl
- Special construction methods for tunnels with very shallow overburden – Challenge for innovation. Dans: Geomechanics and Tunnelling, v. 13, n. 6 (décembre 2020). (2020):
- Rock mass behaviour of weathered, jointed and faulted Khondalite - Examples from the underground crude oil storage caverns in Visakhapatnam, India. Dans: Geomechanics and Tunnelling, v. 7, n. 3 ( 2014). (2014):
- The underground crude oil storage caverns of Visakhapatnam, India. Dans: Geomechanics and Tunnelling, v. 7, n. 2 ( 2014). (2014):
- Underground crude oil storage projects in India / Unterirdische Rohölkavernen in Indien. Dans: Geomechanics and Tunnelling, v. 6, n. 5 ( 2013). (2013):
- Der weiche Baugrund von Singapore: Spielwiese für TBMs, Sperrgebiet für die NÖT. Dans: Felsbau, v. 19, n. 5 ( 2001). (2001):