Rau, F. Experimental Plasma Physics 2 (E2), Max Planck Institute for Plasma Physics, Max Planck Society;
Wobig, H. Max Planck Institute for Plasma Physics, Max Planck Society;
Jaeckel, H., Kisslinger, J., Rau, F., & Wobig, H. (1974). Torus with Helix W_VII_A. In Fusion Technology (pp. 235-245).