- Ballistic Resistance of Double-Layered Metal Plates,
T. Børvik, S. Dey, O.S. Hopperstad, T. Wierzbicki and X. Teng
Paper 20 from CCP: 88, ISBN 978-1-905088-23-2 (2008)
- Validation Study of Failure Prediction in Crash Analysis,
A. Reyes, C. Dørum, O.S. Hopperstad, M. Langseth, O.-G. Lademo and M. Eriksson
Paper 276 from CCP: 88, ISBN 978-1-905088-23-2 (2008)