1. W. Lotz Optimization, MHD-Mode, and α-Particle Confinement Behaviour of Helias Equilibria 1991 603 611
2. Physics Optimization of Stellarators;Grieger;Physics of Fluids,1992
3. Modular Stellarator Reactors and Plans for Wendelstein 7-X;Grieger;Fusion Technology,1992