Nieuwland , D., J. Leutscher, and J. Gast. “Wedge Equilibrium in Fold-and-Thrust Belts: Prediction of Out-of-Sequence Thrusting Based on Sandbox Experiments and Natural Examples”. Netherlands Journal of Geosciences, vol. 79, Dec. 1999, pp. 81-91, doi:10.1017/S0016774600021594.