1. G.H. Wolf et al., in: J. Boedo (Ed.), Proc. 16th IAEA Fusion Energy Conf., vol. 1, 1997, pp. 177–185
2. A.M. Messiaen et al., Comments Plasma Phys. Controlled Fusion 18 (1997) 221
3. H. Takanega et al., J. Nucl. Mater. 241–243 (1997) 569
4. B.A. Carreras et al., Bull. Am. Phys. Soc. 41 (1996) 1573
5. A. Rogister, in: Ph. Mertens (Ed.), Proc. 3rd Workshop on Plasma and Laser Physics, Forschungszentrum Jülich GmbH, Bilat. Sem. Int., vol. 15, 1994, pp. 87–107, ISBN 3-89336-130-8