Osterhoff, J., Popp, A., Major, Z., Marx, B., Rowlands-Rees, T. P., Fuchs, M., Hörlein, R., Grüner, F., Habs, D., Krausz, F., Hooker, S. M., & Karsch, S. (2009). Stable Laser-Driven Electron Beams from a Steady-State-Flow Gas Cell. In AIP Conference Proceedings (pp. 125-130). AIP.