Asmussen, K., Fournier, K. B., Laming, J. M., Neu, R., Seely, J. F., Dux, R., et al.(1997). Spectroscopic Investigations of Tungsten in the EUV Region and the Determination of its Concentration in Tokamaks (IPP 10/9). Garching: Max-Planck-Institut für Plasmaphysik.