Kraus, W., Fantz, U., Franzen, P., & NNBI Team (2010). Dependence of the Long Pulse Performance of the RF Driven Negative Ions Source on the Magnetic Filter Field. Talk presented at 2nd International Symposium on Negative Ions, Beams and Sources (NIBS2010). Takayama. 2010-11-16 - 2010-11-19.