1. E. Acerbi, F. Aghion, F. Alessandria, G. Baccaglioni, G. Bellomo, C. Birattari, C. De Martinis, E. Fabrici, D. Giove, W. Giussani, G. Gualeni, P. Michelato, L. Milinkovic, C. Pagani, E. Panzeri, F. Resmini, L. Rossi, A. Salomone, L. Serafini, and G. Varisco, Tenth International Conference on Cyclotrons and Their Applications, April 30-May 3 1984, East Lansing, Michigan, U.S.A. (F. Marti, ed.), IEEE, New York (1984), p. 251.
2. B. W. Allardyce, Ninth International Conference on Cyclotrons and Their Applications, September 1981, Caen, France (G. Gendreau, ed.), Les Editions de Physique, Les Ulis Cedex, France (1981), p. 55.
3. P. Armbruster, Nucleonica 3: 188 (1961).
4. A. G. Artukh, V. V. Volkov, and T. Kwiecinska, Yad. Fiz. 4: 1165 (1966).
5. A. G. Artukh, G. F. Gridnev, V. L. Mikheev, and V. V. Volkov, Nucl. Phys. A 137: 348 (1969).