Krieger, K., Brezinsek, S., Jachmich, S., Lisgo, S., Stamp, M., Esser, H. G., et al. (2009). Be wall sources and migration in L-mode discharges after Be evaporation in the JET tokamak. Journal of Nuclear Materials, 390-391, 110-114. doi:10.1016/j.jnucmat.2009.01.131.