1. Third Int. Conf. on Electrostatic Accelerator Technology;Skorka,1981
2. Ninth Int. Conf. on Cyclotrons and their Applications;Davies,1981
3. K.L. Brown et al., Transport, CERN 80-04, Geneva.
4. Double-Drift Beam Bunching Systems
5. H. gasser, note G.E.P.A.S. 81-06, Strasbourg.