Coad, J. P., Behrisch, R., De Kock, L., Koch, A., Weschenfelder, F., Wienhold, P., et al. (1993). Assessment techniques for measurement of target erosion/ redeposition in large tokamaks. Journal of Nuclear Materials, 200(3), 360-365. doi:10.1016/0022-3115(93)90309-M.