1. T.P. Speis, R.Y. Lee, L. Soffer and R.O. Meyer, Seminar of the Phebus FP Project, Cadarache, France, 5–7 June, 1991.
2. M. Réocreux and J. Gauvain, ibid. ref. [1].
3. A.V. Jones and I.M. Shepherd, ibid. ref. [1].
4. C. Lecomte and G. Lhiaubet, ibid. ref. [1].
5. P. Fasoli-Stella and A.G. Markovina, ibid. ref. [1].