Rehker, S. 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;
Rehker, S., & Wobig, H. (1974). The Effect of Perturbation on the Magnetic Field of the W_VII Stellarator. In Fusion Technology (pp. 221-234).