1. Hagemann, G.B., Broda, R., Herskind, B., Ishihara, M., Ogaza, S., Ryde, H.: Nucl. Phys. A245, 106 (1975)
2. Anderson, O., Bauer, R., Hagemann, G.B., Halbert, M.L., Herskin, B., Neiman, M., Oeschler, H., Ryde, H.: to be published
3. Sarantites, D.G., Westerberg, L., Dayras, R.A., Halbert, ML., Hensley, D.C., Baker, J.H.: to be published. Westerberg, L., Sarantites, D.G., Lovett, R., Hood, J.T., Baker, J.M., Curie, C.M., Mullani, N.: to be published
4. Kohl, W., Kolb, D., Giese, I.: Z. Physik A285, 17 (1978)
5. Kerek, A., Kihlgren, J., Lindblad, Th., Pomar, C., Sztarkier, J., Walus, W., Skeppstedt, �., Bialkowski, J., Kownacki, J., Sujkowski, Z., Zglinski, A.: Nucl. Instr. and Meth., in press