1. Undrained stability of wide rectangular tunnels;Abbo;Computers and Geotechnics,2013
2. Limit analysis in soil mechanics;Chen,2012
3. The stability of shallow tunnels and underground openings in cohesive material;Davis;geotechnique,1980
4. Extended limit design theorems for continuous media;Drucker;Quarterly of applied mathematics,1952
5. Beware of Q2!;Golbraikh;Journal of molecular graphics & modelling,2002