1. P. Kupschus et al. This conference
2. A. E. Seigel NATO Report, AGARDS
3. Richtmyer and Morton Different methods for initial value problems. J. Wiley and Sons ed.
4. K. Sonnenberg et al. 12th Symposium on Fusion Engineering, Monterey 1987, p 1207
5. P. Kupschus et al. 13th Symposium on Fusion Engineering, Knoxville 1989, p 1293