- Modeling a Class of Mechanical Complementary-Slackness Systems,
Q. Feng and R.Y. Shen
Paper 87 from CCP: 88, ISBN 978-1-905088-23-2 (2008)
- Simulation of Orthotropic Frictional Contact with Non-Associated Sliding Rule,
G. de Saxcé, Z.Q. Feng, M. Hjiaj and Z. Mróz
Paper 229 from CCP: 83, ISBN 1-905088-08-6 (2006)