Kraus, W., Berger, M., Fantz, U., Franzen, P., Fröschle, M., Heinemann, B., et al. (2008). Long pulse H- beam extraction with a RF driven ion source with low fraction of co-extracted electrons. Talk presented at 1st International Conference on Negative Ions, Beams and Sources (NIBS 2008). Aix-en-Provence. 2008-09-10 - 2008-09-12.