Zasche, D. Experimental Plasma Physics 1 (E1), Max Planck Institute for Plasma Physics, Max Planck Society;
Cripwell, P., Zasche, D., & et al. (1989). An Interpretation of the Structure of Elms and the H to L Transition on JET. 16. European Conference on Controlled Fusion and Plasma Physics, 13B, 1, 225-228.