Pitts, R. A., Coad, J. P., Coster, D. P., Federici, G., Fundamenski, W., Horacek, J., et al. (2005). Material erosion and migration in tokamaks. Invited paper. Plasma Physics and Controlled Fusion, 47, B303-B322. doi:10.1088/0741-3335/47/12B/S22.